Let's take a look at how his game unfolded as it was recorded in real time.
Bears rookie quarterback Mitchell Trubisky enters the game late in the third quarter. What can Trubisky do for an encore after Week 1 of the preseason?
Mitchell Trubisky completes his first pass to undrafted rookie Tanner Gentry for an 8-yard completion.
Bears rookie Mitchell Trubisky was sacked on third down killing a promising drive. Trubisky went 3-for-4 for 24 yards after replacing Mark Sanchez late in the third quarter, but the pass protection was shaky.
Mitchell Trubisky with a near interception on a ball he forced to Titus Davis. Trubisky hit an Arizona defender in the chest but he dropped it.
After two series, Mitchell Trubisky is 4-for-6 with 37 yards. Trubisky was lucky to avoid an interception on the ball he forced to Titus Davis. No reason to make that throw.
Mitchell Trubisky rolls right and finds Benny Cunningham for a short touchdown reception. The Bears definitely like to call plays that allow Trubisky to move outside of the pocket. Trubisky is now 6-for-8 for 60 yards and one touchdown.
The Bears stave off Arizona for a 24-23 victory, but the story is again the quarterbacks. Mike Glennon was so-so; completing 13-for-18 pass attempts for 89 yards, one touchdown and one interception. Rookie Mitchell Trubisky, who entered the game late third quarter, finished the night 6-for-8 for 60 yards and one touchdown. Overall, the Bears played better on both sides of the ball, especially on defense.