Lonzo Ball's recovery from a left knee injury will be slowed with Chicago Bulls head coach Billy Donovan revealing they will "pull back" on the guard's rehabilitation process.

Ball, who is averaging 13.0 points, 5.4 rebounds and 5.1 assists this season, has not played since January 14 when he sustained a slight meniscus tear, which required arthroscopic surgery.

The Bulls have been without Alex Caruso in recent weeks too, coinciding with their slide down the Eastern Conference standings to fifth with a 42-29 record.

Donovan said the Bulls would pause Ball's recovery for 10 days, taking him up to April 1, leaving only five regular-season games for him to return prior to the playoffs.

"The feeling was, let's really pull back on what he's doing and let's let him, I don't want to use the word rest because it's not like he's sitting around doing nothing – he'll do strength training and those kind of things – but take a break on the running and trying to ramp him up," Donovan told reporters prior to Monday's 113-99 win over the Toronto Raptors.

He added: "We'll have a better feel of that once they get through this next 10 days. Obviously, it's coming to the end of the season.

"I think that they felt like, OK if he can, over this 10-day period, really get back to the ramp-up period, because he has been out for quite some time, that would enable him to get back into contact relatively soon.

"But we can't even get him into that until he gets over that hump, so I don't want to speculate what may or may not happen after 10 days."