Rafael Nadal has withdrawn from the Canadian Open as the Spaniard has not fully recovered from an abdominal tear.
Nadal's bid to complete a rare clean sweep of the grand slams ended when he suffered an injury setback at Wimbledon last month.
The 22-time major champion pulled out ahead of a semi-final against Nick Kyrgios, who received a walkover and lost to Novak Djokovic in the championship match.
Nadal was due to return in Montreal next week, but on Friday revealed he will not travel to Canada to play in a tournament he has won five times.
The world number three wrote on Twitter: "From the vacation days and my subsequent return to training, everything has gone well these weeks. Four days ago I also started training the service and yesterday after training, I had a little discomfort that was still there today.
"We have decided not to travel to Montreal and continue with the training sessions without forcing ourselves. I sincerely thank the tournament director, Eugene [Lapierre], and his entire team for the understanding and support they have always shown me and today was no exception.
"I hope to play again in Montreal, a tournament that I love and that I have won five times in front of an audience that has always welcomed me with great affection.
"I have no choice but to be prudent at this point and think about health."
Nadal's withdrawal comes just over three weeks before the US Open gets under way at Flushing Meadows.
Djokovic has also withdrawn from the Montreal event, having been ineligible to enter Canada due to being unvaccinated against the COVID-19 virus.
Daniil Medvedev showed on Thursday why he is the top overall seed at the Los Cabos Open, comfortably handling the challenge of Ricardas Berankis in a 6-2 6-2 win.
The world number one gave Berankis no avenues into the match, winning 48 per cent (27-of-56) of his total return points, while also converting 88 per cent (21-of-24) of his own successful first serves into points.
Medvedev will meet Serbia's Miomir Kecmanovic in the semi-final after he pulled off an impressive 6-2 6-4 victory against American Brandon Nakashima.
Kecmanovic's ability to serve his way out of trouble was the deciding factor, saving four of five break-point opportunities, while Nakashima could only save six out of 10.
Canada's Felix Auger-Aliassime booked his spot in the second semi-final after defeating America's Steve Johnson 6-4 7-6 (7-3).
The 22-year-old winner – who now sits ninth in the world rankings – served up 17 aces in the contest, while Johnson, who is usually known for his serve, could only muster four.
Cameron Norrie was a straights-sets winner over Radu Albot, although he needed a second-set tie-break to get the job done in a 6-3 7-6 (7-4) triumph.
Meanwhile, Norrie's British compatriot Daniel Evans won a war of attrition against American Taylor Fritz at the Washington Open, pulling ahead 3-6 7-6 (8-6) 4-1 before the heavy favourite retired due to the oppressive conditions.
With rising temperatures, combined with spots of rain, the humidity threatened to claim a number of scalps as multiple players in Thursday's action took extended medical timeouts, before a serious downpour halted the rest of play.
The only other matches to reach their conclusion were Yoshihito Nishioka's 7-6 (7-2) 7-6 (7-1) win against Karen Khachanov, and a 6-3 6-7 (3-7) 6-4 triumph for Sweden's Mikael Ymer against Finland's Emil Ruusuvuori.
When play resumes, Nick Kyrgios will look to finish off Reilly Opelka after reaching the rain with a 7-6 (7-1) 2-1 lead, and Grigor Dimitrov won his first set 6-4 against Sebastian Korda.
Botic van de Zandschulp was the beneficiary of the break against Frances Tiafoe, winning the first set 6-4 before slowing down in a big way to drop the second 6-2, but he will get a chance to recharge his batteries before the decider.
Coco Gauff was too sharp with her return game for Naomi Osaka in the second round of the Silicon Valley Classic on Thursday, coming away with a 6-4 6-4 win.
Gauff – the world number 11 and tournament's sixth seed – created 12 break point opportunities in the match, while only allowing one for Osaka, despite eight double-faults.
Ultimately, Gauff won 41 per cent (29-of-71) of the points off Osaka's serve, while converting 85 per cent (28-of-33) of her successful first serves into points.
Earlier in the day in a major upset, top seed Maria Sakkari was eliminated in straight sets 6-1 6-3 by American Shelby Rogers.
The world number three struggled with her serve throughout, landing only 45 per cent of her first serves, and winning just 52 per cent (12-of-23) of those points.
World number six Aryna Sabalenka needed three sets to defeat unseeded American Carolina Dolehide 5-7 6-1 7-5, and Russia's Veronika Kudermetova had less trouble dispatching Claire Liu 6-2 7-5 to set up an exciting match with Ons Jabeur in the quarter-final.
Meanwhile, in Washington at the Citi Open, Emma Raducanu played in the longest two-set match of the WTA season, defeating Camila Osorio 7-6 (7-5) 7-6 (7-4) in two hours and 49 minutes.
Both women created at least a dozen break point opportunities, with four total breaks each as the young British star battled blisters on her hands.
Raducanu will play Liudmila Samsonova after the Russian eliminated Australia's Ajla Tomljanovich 4-6 6-3 6-2.
In the last match of the day, China's Xiyu Wang got the better of Croatia's Donna Vekic 4-6 7-5 6-1, and she will meet the winner between Tereza Martincova and Victoria Azarenka in the quarter-final.
The Los Angeles Angels made the wrong kind of history on Thursday, becoming the sixth team in MLB history to hit seven home runs in a loss, going down 8-7 at home against the Oakland Athletics.
It was also the first time ever that a team has scored seven runs with every run coming courtesy of a solo long-ball.
As has been a recurring theme of superstar Shohei Ohtani's tenure with the Angels, he put on a dazzling display only for his team to fall short. The reigning AL MVP opened the scoring with a solo blast in the first inning, and added a second homer later in the contest.
Kurt Suzuki, Taylor Ward, Jo Adell, Jared Walsh and Mickey Moniak all sent a ball over the fence for the Angels, but it was not enough as starting pitcher Janson Junk struggled mightily.
Junk gave up six earned runs in just the third inning as Ramon Laureano and Sean Murphy hit back-to-back two-RBI doubles, followed by a two-run homer from Seth Brown. Laureano later added his own two-run shot, giving him four RBIs in the contest.
The loss relegates the Angels to a disappointing 44-61 record, while Ohtani is now top-five in the American League in home runs (24) as a batter, and strikeouts as a pitcher (152 in 18 starts).
All-Star Dodgers duo flex their power
Known primarily for their contact, speed and defense, Los Angeles Dodgers All-Stars Mookie Betts and Trea Turner both showed off their power in a 5-3 win against the San Francisco Giants.
In a game where starting pitcher Clayton Kershaw was forced to leave his start after four innings due to lower-back pain, the offense picked up the slack, with a three-run launch from Betts in the fourth inning turning a 2-1 deficit into a 4-2 lead.
The Dodgers would never allow the Giants back into the game, and Turner got in on the action in the seventh inning with a 419-foot whack for the longest hit of the game.
Betts, Turner and Freddie Freeman – who also had a hit for the Dodgers – are all considered candidates for the National League MVP.
Verlander dominates for the Astros
Houston Astros ace Justin Verlander showed why he is the American League Cy Young Award favourite, keeping the Cleveland Guardians quiet in a 6-0 victory.
Verlander held the Guardians to just two hits and one walk in his six scoreless frames, striking out five batters in the process. He is expected to battle it out for the AL's best pitcher award with Tampa Bay Rays star Shane McClanahan.
With the bat, Fabio Maldonado and Chas McCormick collected three RBIs each, with key trio Jose Altuve, Yordan Alvarez and Jeremy Pena also combining for six hits and three walks.
Los Angeles Rams coach Sean McVay said Thursday that the continuing elbow pain quarterback Matthew Stafford is experiencing is unusual for a football player, comparing it to what baseball pitchers often deal with.
Stafford has been skipping the Rams’ full-team portions of training camp practices and instead has been throwing in individual drills and 7-on-7 setups. The Super Bowl-winning quarterback dealt with an elbow injury last season and received an injection in the affected area during the offseason.
''It's a little bit abnormal for a quarterback,'' McVay said Thursday. ''Some of this stuff is things that MLB pitchers deal with, so it is something that we're kind of learning about on the fly with his feedback.''
While McVay stressed that Stafford could probably play in a game this week, the Rams clearly are trying to figure out how to keep him healthy for the season and are being careful not to overtax his arm.
"We want to try to have him operate in as little pain as possible,'' McVay said. ''I think anytime that you've played as long and are as tough as he is, I don't know if you're ever truly pain-free, but the goal would be for September 8, and really looking towards 17 games, then hopefully some games after that, if we earn that opportunity.
"That's kind of the perspective and the big-picture approach that we want to be able to take. I don't know that I would feel as comfortable taking that approach if it wasn't for the experience that he's accumulated.''
Stafford, 34, played in all 17 regular-season games in 2021 and then played four postseason games, leading the Rams to their first Super Bowl title since returning from St. Louis. He finished with 4,886 passing yards and 41 touchdowns in the regular season, his first with Los Angeles after 12 in Detroit.
John Huh leads by two strokes after the first round of the Wyndham Championship, shooting a career-low nine-under 61 in his first trip around Sedgefield Country Club on Thursday.
With seven birdies, one eagle and no bogeys in his round, Huh had his game working from all areas. According to Data Golf's strokes gained stats, the American was the second-best in the tee-to-green category (5.29 strokes gained), third in approach shots (3.25) and sixth in putting (3.21).
Speaking to the media after his round, Huh said he did not feel like he was playing his best, but he is glad to be in such a strong position after entering the week on the fringe of the FedEx Cup Playoffs.
"It’s kind of strange," he said, "because I wasn’t really feeling great with my game and I shoot my career low – it’s kind of weird.
"Sort of mixed feelings, but I’ll take this any day. I was able to take advantage of a good break and good shots, that’s all I can say."
Major League Baseball is heading back across the pond next year with the St. Louis Cardinals and Chicago Cubs to meet in the second instalment of the London Series.
MLB announced on Thursday that the long-time rivals will face off at London Stadium for a two-game series on June 24 and 25, 2023.
The teams were originally scheduled to play in London in 2020, but the games were cancelled due to the coronavirus pandemic.
"The Cardinals are excited and honoured to be a part of the London Series next year," Cardinals chairman Bill DeWitt Jr. said in a release.
"The Cardinals-Cubs rivalry is one of the best in sports, and it will be exciting to bring it to Europe for a new audience to experience."
MLB returns to England after the New York Yankees swept a two-game set from the Boston Red Sox at London Stadium in 2019. Those were baseball's first regular-season games played in Europe.
"The MLB London Series between the Cubs and Cardinals has been in the works for years now, and we're thrilled to finally be able to bring one of baseball's biggest rivalries to fans abroad in 2023," Cubs chairman Tom Ricketts said in a release.
The 2023 London Series is part of an international slate that was approved in the March labour agreement between MLB and the players' association. It also calls for London games in 2024 and 2026, the first France games in 2025, annual Mexico City games from 2023-26, an Asian opener in 2024 and a Tokyo opener in 2025.
Diontae Johnson arrived at the Pittsburgh Steelers training camp on time but had been sitting out practices while seeking a new contract.
He will now be reporting to practice after signing an extension with the Steelers with a new three-year contract on Thursday.
The 26-year-old Johnson was entering the final season of his rookie deal, and in his new contract he’ll be paid $36.71million over the next two years, according to NFL Network Insider Mike Garafolo.
"I felt it in my gut it was the right move for me and my family," Johnson said. "I am just glad to get back to work. I love being a Steeler. I love it here. Just being around my teammates, the atmosphere, the energy they show every day. I feel like I made the right choice to continue to be here for a long time."
The extension includes $27million guaranteed, and Johnson will be able to hit free agency in 2025, giving him an opportunity to sign another big deal when he’s still in his prime if he’s able to replicate the success he enjoyed last season.
Johnson had a career year in 2021, tying for fifth in the NFL in receptions (107, along with Mark Andrews) and ranking 10th in receiving yards (1,161) while hauling in eight touchdown receptions to earn a Pro Bowl selection.
Selected in the third round of the 2019 NFL draft, Johnson has 254 career receptions – the most for anyone drafted in 2019 – for 2,767 yards and 20 touchdowns.
Finalising a new deal early in camp was important for the Steelers as it will give Johnson time to work on his chemistry with the three quarterbacks vying for the starting job in Mitch Trubisky, Mason Rudolph and rookie Kenny Pickett following the retirement of future Hall of Famer Ben Roethlisberger.
Jed Holloway will make his Test debut and Quade Cooper returns to the Australia starting line-up for their first game of the Rugby Championship against Argentina on Saturday.
Holloway has been given the nod at blindside flanker for the game at Estadio Malvinas Argentinas, while Cooper is back at fly-half after recovering from a calf strain.
Prop Matt Gibbon is set to make his Wallabies bow off the bench in Mendoza, where hooker Folau Fainga'a makes his first international start this year.
Second row Darcy Swain has been restored to the team after serving a ban for the red card he was given for a clash with Jonny Hill in the first Test against England.
Dave Rennie's side have been licking their wounds since losing the decisive final match of the series to the Red Rose last month.
Head coach Rennie said: "We've had a strong week of preparation over here in Argentina, and we are highly motivated to put on a performance that makes our supporters proud back home in Australia.
"It's an extremely special occasion for Jed, Matt and their families, and it's up to the rest of us to make sure it's a positive memory on their Test debuts.
"Argentina will be full of confidence after their home series win over Scotland, and we know we'll need to be at our best to get a good result on Saturday afternoon."
Australia team: Tom Wright, Jordan Petaia, Len Ikitau, Hunter Paisami, Marika Koroibete, Quade Cooper, Nic White; James Slipper, Folau Fainga'a, Allan Alaalatoa, Darcy Swain, Matt Philip, Jed Holloway, Michael Hooper (captain), Rob Valetini.
Replacements: Lachlan Lonergan, Matt Gibbon, Taniela Tupou, Nick Frost, Rob Leota, Pete Samu, Jake Gordon, Reece Hodge.
Ian Foster will know there is more than just Rugby Championship points at stake when wounded New Zealand start their campaign against South Africa on Saturday.
Foster is under huge pressure after the All Blacks suffered a first home Test series defeat to Ireland last month.
New Zealand have come under fire following a 32-22 loss against Andy Farrell's inspired side in the decider in Wellington, with growing calls for Foster to be sacked.
Mark Robinson, the New Zealand Rugby chief executive, was unable to offer head coach Foster long-term backing before the squad boarded the plane for two Tests against the world champions.
Asked about Foster's future, he told Newstalk ZB: "He's certainly the person to lead the team to South Africa, and we're making sure they've got everything possible in the way of resourcing and support to make sure that's successful."
Robinson had stated that the 2-1 series defeat to Ireland was "not acceptable", and it would appear he will not tolerate further painful setbacks in South Africa.
Assistant coaches John Plumtree and Brad Mooar lost their jobs after Ireland's historic triumph, but Foster has vowed to fight on just 13 months before the Rugby World Cup starts in France.
Winning the Rugby Championship title last year must seem like a distant memory for Foster as his side prepared to start the defence of their crown at Mbombela Stadium.
Following years of dominance, New Zealand are fourth in the rankings, and this is something of a crisis by their standards.
Victory for the Springboks in Nelspruit this weekend would represent a third defeat in a row for New Zealand for the first time since they lost five consecutive Tests in July and August 1998, two of which came at the hands of South Africa.
Foster has made four changes to his team for the opening match of the tournament, bringing in lock Scott Barrett, hooker Samisoni Taukei'aho, tighthead prop Angus Ta'avao and wing Caleb Clarke.
South Africa have not beaten New Zealand at home since a 27-25 success in 2014, but Jacques Nienaber's men will be favourites to end that wait on Saturday.
The Springboks have won six of their past seven Tests on home soil, the last of which was a 30-14 defeat of Wales in Cape Town that sealed a 2-1 series victory.
A formidable, powerful force when at their brutal best, facing South Africa in their own backyard is an almighty challenge, and Foster will need warriors to step up with his job seemingly on the line.
Argentina and Australia get the tournament under way at Estadio Malvinas Argentinas on Saturday, with the Pumas on a high from securing a dramatic series win over Scotland.
They won the decider against Gregor Townsend's men 34-31 last month thanks to a last-gasp try from Emiliano Boffelli and will now attempt to end a six-Test winless streak against the Wallabies.
Australia have been licking their wounds since suffering a 2-1 Test series defeat at home to England, and they have won only one of their past nine Tests played away from home – that victory being over Japan last October.
Jessica Korda might have been wearing the wrong trousers, but the American strode purposefully into contention on day one of the Women's Open as former winner Hinako Shibuno led the way at Muirfield.
Korda's suitcase failed to make it to Scotland, meaning she has been borrowing clothes all week, but the 29-year-old from Florida shot a five-under 66 to ease her stress.
She could call on her sponsor to kit her out with emergency supplies on Thursday, but it has been a frustrating few days.
"On Monday I wore Megan Khang's pants. Tuesday, I wore my sister's pants and Wednesday I wore Alison Lee's pants," Korda said, quoted on the tournament website.
Playing for a top prize of $1,095,000 (£900,000) this week, Korda sat one shot behind 23-year-old Japanese star Shibuno, who marked her maiden major three years ago at Woburn by landing the Women's Open title.
It has not been all plain sailing since for Shibuno, who missed the cut at Troon when defending the title in 2020 and finished only 34th last year at Carnoustie, but a round of 65 containing eight birdies and two dropped shots was a terrific start to this week's quest.
Scotland's Louise Duncan, who finished 10th as an amateur at Carnoustie, joined the paid ranks last month and a sparkling 67 put her in a tie of third with Mexican Gaby Lopez.
Korda's sister, world number three Nelly Korda, sat in a tie for 13th on one under through 18 holes, while last year's winner Anna Nordqvist had a round to forget, a three-over 74 leaving the Swede with a battle to make the cut.
World number one Ko Jin-young had an even worse day, with a five-over 76 following her recent miserable tie for 71st at the Scottish Open.
This is the first time Muirfield has staged a women's major, with members having only voted to allow women to join the club five years ago.
WNBA star Brittney Griner was found guilty of drug possession and drug smuggling with criminal intent and sentenced to nine years in a Russian prison on Thursday.
Judge Anna Sotnikova reached her verdict quickly, which also included a fine of 1million rubles, rejecting Griner's apology and plea for leniency for bringing less than a gram of cannabis oil into the country more than five months ago.
United States president Joe Biden called the sentence "unacceptable".
While the war in Ukraine continues to cause tension between the US government and Moscow, the US State Department is now expected to negotiate a prisoner exchange with Russia, and a conviction was necessary before the process of organising a swap could begin.
An eight-time All-Star with the Phoenix Mercury and widely considered one of the greatest players in WNBA history, the 31-year-old Griner was arrested in Moscow's Sheremetyevo International Airport on February 17 for carrying vape cartridges containing cannabis oil in her luggage. She was returning to Russia, where she has played since 2014 during the WNBA offseason.
The WNBA and NBA issued a joint statement after the sentence was handed down.
"Today's verdict and sentencing is unjustified and unfortunate but not unexpected, and Brittney Griner remains wrongly detained," the statement read.
"The WNBA and NBA's commitment to her safe return has not wavered, and it is our hope that we are near the end of this process of finally bringing BG home to the United States."
At her trail on July 7, her lawyers argued that Griner was using the cannabis for medicinal purposes to treat chronic pain sustained over the course of her career.
While on the stand, the two-time Olympic champion said she accidentally packed the cartridges and was unaware cannabis oil was outlawed in Russia.
"Today, American citizen Brittney Griner received a prison sentence that is one more reminder of what the world already knew: Russia is wrongfully detaining Brittney," Biden said in a statement.
"It's unacceptable, and I call on Russia to release her immediately, so she can be with her wife, loved ones, friends, and team-mates."
The opening round of the 2022 Caribbean Amateur Golf Championships unfolded in the Turks and Caicos Islands on Wednesday with all of the expected competitiveness and somewhat unexpected weather conditions, leaving both the team and Individual leaderboards intriguingly poised.
Players from nine CGA member countries battled both high winds and - during the closing sessions - heavy downpours in an eventful first day.
Puerto Rico and Cayman are tied for the lead in the men's Hoerman Cup Team standings, with the Dominican Republic, Jamaica and Trinidad & Tobago rounding out the top five.
In the Ladies' Team competition for the George Teale trophy, Jamaica sat atop the leaderboard, by a two-stroke margin over Puerto Rico, followed by the Dominican Republic, Barbados and the Bahamas respectively.
Vying for individual honours, Gustavo Rangel from Puerto Rico is the individual leader with 2 under par for 70.
The Cayman Islands' Justin Hastings and the Dominican Republic's Rhadames Peña carded an identical 71 (1 under) to lead the chasing pack comprising Payten Wight of the Cayman Islands and Puerto Rico's Kelvin Hernandez.
Caymanian Holly McLean, with 75, was a stroke ahead of Puerto Rico's Darianys Guzman in a similarly close contest for the women's individual honors. Also in the mix are the Dominican Republic's Yae Yun Kim, with 77, and the "two Emilys" - Mayne of Jamaica and Odwin of Barbados, who carded identical 78s.
The Arthur Ziadie trophy for the best overall team also remains virtually anyone's game, with Puerto Rico in the lead at 14 points and Jamaica 2 points behind followed by Dominican Republic with 10 points
Under-fire New Zealand head coach Ian Foster has made four changes to his XV for the All Blacks' first Test against South Africa, bidding to "add new experiences and grow our game".
New Zealand begin their Rugby Championship campaign with a double-header against the Springboks as they look to bounce back from a series defeat at home to Ireland.
Sevu Reece has made way for Caleb Clarke for the Mbombela opener, while Scott Barrett comes into the second row for the injured Brodie Retallick. Samisoni Taukei'aho and Angus Ta'avao will also play, as Codie Taylor and Nepo Laulala both drop out of the 23-man squad.
Tyrel Lomax and Ethan de Groot make the squad for the first time in the 2022 international season, starting from the bench.
There has been much talk around Foster's future after the All Blacks' first home series loss since 1994, but he is looking forward to the challenge of these two matches.
"What a great way to start this year's Rugby Championship," Foster said. "It's always an exciting tournament to be part of.
"This year's draw means we have a massive challenge of two games here in the South Africa. We have settled in well in Mbombela and are preparing for what is always an intense game against our old foe.
"Many of our squad are here in South Africa for the first time. This gives us another opportunity to add new experiences and grow our game."
New Zealand team: Jordie Barrett, Will Jordan, Rieko Ioane, David Havili, Caleb Clarke, Beauden Barrett, Aaron Smith; George Bower, Samisoni Taukei'aho, Angus Ta'avao, Sam Whitelock, Scott Barrett, Akira Ioane, Sam Cane (captain), Ardie Savea.
Replacements: Dane Coles, Ethan De Groot, Tyrel Lomax, Tupou Vaa'i, Shannon Frizell, Finlay Christie, Richie Mo'unga, Quinn Tupaea.
The 37th running of the Caribbean Senior Squash Championship will take place in Jamaica, August 21 - 27 at the Liguanea Club in Kingston.
Barbados, Bermuda, British Virgin Islands, Cayman Islands, Guyana, St Vincent & the Grenadines, Trinidad & Tobago and host country Jamaica are the eight countries who will field approximately 140 participants for the one-week tournament.
Chris Binnie who is currently ranked #1 in the region is among the top Jamaica players who have won Senior CASA titles. Binnie is a 9-time All Jamaica and Caribbean Senior Men’s Champion.
Meghan Best, defending champion in the female section from Barbados has registered to participate. The tournament will also feature 13-time All Jamaica Senior Women’s Champion, Karen Anderson.
Fierce competition is expected from Adrian Grant, former world #9 playing for Jamaica in his first CASA, young national champion, Shomari Wiltshire from Guyana, Chayse McQuan from T&T and Adam Murrils from the BVI. Teams will start arriving from August 19.
Corporate support includes title sponsors Wisynco through their brand, WATA; Tourism Enhancement Fund (TEF); Jamaica Olympic Association (JOA); Sports Development Foundation (SDF); Ernst & Young; Fleetwood; Levy Cheeks and Best Dressed Chicken.
Oleksandr Usyk has ensured his world heavyweight title rematch with Anthony Joshua this month will be free to watch for the people of war-torn Ukraine.
Usyk outclassed Joshua to win the WBO, WBA Super, and IBF titles at Tottenham Hotspur last September.
The 35-year-old will defend those straps for the first time in Saudi Arabia on August 20, when Joshua gets the chance to regain the belts.
Saudi organisers gifted the television rights for the bout to Usyk, who has enabled those who are able to watch in his homeland will not have to pay.
Alex Krassyuk, the world champion's promoter, told talkSPORT.com: "He intended to buy [the right], but received it [free] for Ukraine.
"He makes it free to watch via Megogo [streaming service], his YouTube channel and via state public TV ‘Suspilne’."
Usyk returned to Ukraine to defend his country following Russia's invasion of his country in February.
Andrea Dovizioso has announced that he will end his illustrious MotoGP career after the San Marino Grand Prix next month.
The Italian will not see the MotoGP season out with Yamaha, having won only 10 points from 11 rounds this year.
Dovizioso is 22nd in the championship standings after signing a full factory contract with the Iwata outfit for 2022 and has decided to quit after his home race at the Misano World Circuit Marco Simoncelli on September 4.
Yamaha test rider Cal Crutchlow will replace the 36-year-old for the final six rounds of the season, starting at the Aragon GP.
Lin Jarvis, managing director Yamaha Motor Racing, said: "I want to start by saying that, of course, we are all sad that Andrea will be leaving the sport earlier than expected. He is a big name in MotoGP, and he will be missed in the paddock.
"We considered ourselves very lucky last year that he was available and willing to join our MotoGP programme when Franky [Franco Morbidelli] switched to the Yamaha Factory Team thus creating the need for a replacement rider for the remainder of the 2021 season.
"Andrea's great expertise, experience, and methodical nature were of great interest to Yamaha and the RNF team and the project was fixed to include the full 2022 season.
"Unfortunately, Andrea has struggled to extract the maximum potential out of the M1 and thus the results have not been forthcoming, which has created understandable frustration for Andrea. Finally during the summer break, he confirmed to us his desire to retire before the end of the season.
"After mutual discussions it was deemed appropriate for Andrea to ride his final race in Misano at his home GP. Naturally, Yamaha will continue to give 'Dovi' their full support over the next three races. In the meantime, let's enjoy his last three GPs and celebrate in Misano the end of a spectacular career."
Dovizioso said: "I thank Lin for his words, I totally agree with them. In 2012, the experience with the Iwata manufacturer in MotoGP had been very positive for me and since then I have always thought that, sooner or later, I would have liked to have an official contract with Yamaha. This possibility presented itself, actually in a somewhat daring way, during 2021. I decided to give it a try because I strongly believed in this project and in the possibility of doing well.
"Unfortunately, in recent years the MotoGP has changed profoundly. The situation is very different since then: I have never felt comfortable with the bike, and I have not been able to make the most of its potential despite the precious and continuous help from the team and the whole of Yamaha. The results were negative, but beyond that, I still consider it a very important life experience. When there are so many difficulties, you need to have the ability to manage the situation and your emotions well.
"We did not reach the desired objectives, but the consultations with the Yamaha technicians and with those of my team have always been positive and constructive, both for them and for me. The relationship remained loyal and professionally interesting even in the most critical moments: it was not so obvious that that would happen.
"For all this and for their support, I thank Yamaha, my team and WithU, and the other sponsors involved in the project. It didn't go as we hoped, but it was right to try. My adventure will end in Misano, but the relationship with all the people involved in this challenge will remain intact forever. Thank you all.2
Dovizioso has won 24 races and has finished the season as a runner-up on three occasions in the premier class.
Green Bay Packers quarterback Aaron Rodgers sent Tom Brady birthday wishes, but left little room for doubt over his intention to retire before the age of 45.
Brady, a seven-time Super Bowl champion, turned 45 on Wednesday. The Tampa Bay Buccaneers QB retired in February, but reversed that decision just 40 days later and is now set for his 23rd straight season in the NFL.
Rodgers, meanwhile, is ready to go again with the Packers after signing a bumper contract back in March. The 38-year-old was named the NFL's Most Valuable Player for 2021, winning the award for a second year running and a fourth time overall.
But when asked if he planned on matching Brady by playing until he is 45, 38-year-old Rodgers told reporters bluntly: "No. Happy birthday [to Brady]."
Brady topped the charts for touchdown passes last regular-season, recording 43 from 17 games, though Rodgers boasted a better pass completion percentage (68.9 – the third-best in the league) and the NFL's best TD percentage (7.0).
Tua Tagovailoa is confident the Miami Dolphins are "all in" on him despite the team having been punished for allegations of tampering involving Tom Brady.
It was confirmed this week the NFL had taken away two draft picks from the Dolphins and suspended owner Stephen Ross after an investigation found the team violated the league's anti-tampering policy.
The Dolphins were found to have had impermissible communication with Brady during the end of his time with the New England Patriots in 2019 and 2020, as well as in 2021 with the Tampa Bay Buccaneers, and also broke NFL rules by communicating with coach Sean Payton in January.
Miami tried to lure both Brady and Payton to the team but did not go through the proper channels, according to league findings, with the Dolphins losing a first-round draft pick in 2023 and a third-round selection in 2024.
Tagovailoa has struggled with injuries and form during his time in Miami and had to contend with rumours for the first half of the 2021 season that the Dolphins were targeting Deshaun Watson, who was then at the Houston Texans and is now with the Cleveland Browns.
The news has further called into question Miami's confidence in the fifth overall pick of the 2020 draft, who himself has no doubt he has the trust of his team-mates.
"I would say everyone heard about it yesterday when we went into the locker room, seen it on the TV," Tagovailoa said.
"For me, I have no idea about all the details other than what was shown on TV with the $1.5million fine and then something happening with Brady.
"I mean, I don't know all the details. I don't even know what happened. But I got to talk to a couple of the guys to kind of find out what was going on, and everyone's wondering the same thing. So, not too sure.
"I remember I came in in 2020, so whatever happened in 2019, I can't even speak on that. I was here in 2020, and I'm still here, and I'm blessed to be here.
"If it has to do with support from the team, I think the team's all-in with me and all the guys that we have now."
The Dolphins begin preseason against Brady's Buccaneers later this month, before beginning their campaign against the veteran quarterback's former employers the Patriots on September 11.
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