The Latest: Taylor Heinicke gets start with Cam Newton out
The Latest on NFL's Week 16 (All times Eastern).
The Bears improved to 11-4 and handed 49ers head coach Kyle Shanahan his first loss in December as head coach. Coming into today, Shanahan was 7-0 in December games with the 49ers.
Mahomes has 45 TD throws so far, which ranks sixth in NFL history.
—Arnie Stapleton reporting from Denver.