Lionel Messi must be stopped by a collective effort from Paraguay in Wednesday's crunch Copa America clash, according to their head coach Eduardo Berizzo.

Both teams endured disappointing starts to the continental showpiece, with Paraguay letting a two-goal lead slip in their 2-2 draw against Qatar, while Argentina were abject in a 2-0 loss to Colombia.

As his quest for major honours with his country trudges on, Argentina will again look to Messi for inspiration and former Sevilla and Athletic Bilbao boss Berizzo concedes there is no easy solution when it comes to tackling the Barcelona superstar.

"To annul a player like Messi is not an individual task, it is a collective task," he told reporters ahead of taking on his native country.

"When you try to neutralise him, he opens the way [for others]. So the question is not centred only on him, but on the possibilities that are generated from him for other players."

Paraguay's late collapse against Qatar stung Berizzo and he wants to see a response from his players – particularly in terms of game management when they are in possession.

"We have talked about what happened and what we have to improve," he added.

"That is control of the ball and [making sure] that the process of the match does not escape us depending on the result.

"We have to sustain the plan from beginning to end."

Eduardo Berizzo believes the Copa America should be exclusive to nations from the Americas after guests Qatar secured a draw against Paraguay on Sunday.

Asian Cup champions Qatar – invited to participate in this year's tournament along with Japan – overturned a two-goal deficit to earn a shock 2-2 draw against Berizzo's Paraguay in their Copa opener.

CONMEBOL has a history of inviting nations to compete, and Asian nation Australia are set to take part in the 2020 edition in Colombia and Argentina.

Reflecting on Paraguay's Group B draw in Rio de Janeiro, head coach Berizzo told reporters: "I think it would make sense to play a Copa America with teams from all the Americas.

"Are you asking me about invited nations, right? About Qatar and Japan? I think we should imagine a whole Copa America, with Central America and North America playing all the same tournament.

"I never saw Europe inviting any South American team to compete.

"Don't take it wrong, maybe it sounds a little acidic today, just after playing against our rival [Qatar]. But I firmly believe Copa America should be played by all the American teams in one tournament – CONCACAF and CONMEBOL together."

Paraguay looked to be on track for a winning start thanks to Oscar Cardozo's fourth-minute penalty before Derlis Gonzalez added an unstoppable second.

Qatar, however, fought back in the second half via Almoez Ali and Juan Rodrigo Rojas – who headed a Boualem Khoukhi effort into his own goal.

"This result disappoints us all, we all want to win, from the fan to the coach," Berizzo said. "We need to mind our rival, our reality, a lot of things that explains a lot about this situation.

"This is a new cycle for the team, there is no way I didn't know Copa America was coming to this date, so I cannot make any excuse of it if we cannot play well, when we play well I will tell you we did it.

"Today we had a hard time finding the ball, especially in the middle of the field, and especially after being 2-0 up. If we would have this done, we should get another result."

Qatar came from two goals down to draw 2-2 against Paraguay in their Copa America debut, Rodrigo Rojas heading a Boualem Khoukhi effort into his own goal for a bizarre late equaliser.

Paraguay looked set to claim all three Group B points in Rio de Janeiro on Sunday after taking a fourth-minute lead thanks to Oscar Cardozo's penalty, with Derlis Gonzalez scoring an unstoppable second.

But invited guests Qatar, who won their maiden Asian Cup earlier this year, showed character to fight back and star man Almoez Ali got them back in the game with a curler from outside the box.

And when Khoukhi's shot squeezed through Paraguay goalkeeper Roberto Fernandez, the backtracking Rojas could only nod the ball in before getting tangled in the net and seemingly damaging his shoulder.

Qatar made a chaotic start in their Copa debut, almost conceding in the first minute before Pedro Miguel gave away a penalty for blocking a Bruno Valdez header with his arm.

Paraguay striker Cardozo had not played at the Copa since 2007 but he stepped up to smash the resulting spot-kick straight down the middle to open the scoring.

Qatar should have levelled in the 16th minute but, arriving unmarked at the back post, Hassan Al Haydos somehow failed to convert a low left-wing cross from Abdelkarim Hassan.

Almoez Ali was denied by Roberto Fernandez on the stroke of half-time, with Paraguay seeing a second goal for Cardozo disallowed by VAR within five minutes of the restart.

Paraguay would not be denied in the 56th minute, however, as half-time substitute Gonzalez unleashed a 25-yard rocket that curled away from the desperate dive of goalkeeper Saad Al Sheeb.

Scoring nine goals at the Asian Cup marked Ali out as a man to watch and he unleashed a terrific hit from 20 yards to make it 2-1 and spark hope of a comeback.

And when Rojas lacked composure in front of his own goal with 13 minutes to play, Qatar had earned a priceless Copa point to justify their inclusion.

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