Cutler doubtful for Monday night

Chicago Bears starting QB Jay Cutler is doubtful to play on Monday night against the 49ers according John Clayton of ESPN.

Cutler left Sunday's game against Houston in the second quarter after sustaining a blow to the head. Jason Campbell will start if Cutler is unable to go on Monday.

Cutler has completed 59% of his passes this season for 1,614 yards. He also has 12 TD's and 10 INT's.