Believe it: Bears QB Mitch Trubisky is ready to play if needed Posted Sep 8, 2017 Bears rookie quarterback Mitch Trubisky has come in cold before in a game and caught fire. It happened during North Carolina’s 41-14 win against Delaware on Sept. 26, 2015. Trubisky replaced struggling starter Marquise Williams on the Tar Heels’ final possession in the first half and completed 17 of 20 passes for 312 yards and four touchdowns. (Chicago Sun-Times)