Coach Kyle Shanahan said Kittle (ankle) won't practice Wednesday but "has a chance" to play Sunday against the Bears, Nick Wagoner of ESPN.com reports.
McCaffrey handled 21 carries for 117 yards and caught six of eight targets for 29 yards and a pair of touchdowns in Monday's 48-27 win over Indianapolis.
San Francisco coach Kyle Shanahan said after Monday's 48-27 win against the Colts that it's too early to know the severity of Kittle's ankle injury, Nick Wagoner of ESPN.com reports.
Purdy completed 25 of 34 pass attempts for 295 yards, five touchdowns and one interception while taking two carries for 11 yards in Monday's 48-27 rout of the Colts.
Kittle is dealing with an ankle injury and is questionable to return to Monday's Week 16 matchup against Indianapolis, Matt Maiocco of NBC Sports Bay Area reports.
Bourne is poised to take on a larger role against the Colts on Monday after Ricky Pearsall (knee/ankle) was officially ruled out, Matt Barrows of The Athletic reports.