The Offense is better with Trubisky at the helm
Statistically, the offense has been much better in every way with Trubisky starting at quarterback. In the first two games of the season, the Bears scored 27 points against an average defense and 17 points against an above-average defense.
In Trubisky’s defense, he should have had more points if it wasn’t for Anthony Miller’s touchdown drop, third-down drop, and Allen Robinson losing a 50/50 ball to James Bradberry. In comparison, Foles hasn’t scored more than 23 points against some far worse defenses.
On top of the scoring being much worse, the Bears additionally have not been able to run the ball in the system designed around Foles. Here are the Bears’ rushing yards totals over the games Nick Foles started: 28, 35, 63, 49, 96, 56, and 41. During that stretch, the Bears did play some tough run defenses, but they also played some of the worst in Carolina, Minnesota, and Tennessee.
In the three games Trubisky started, the total rushing yards was never under 100 yards with games of 149, 135, and 130. The heavy I-Form scheme with play-action behind it was hard to stop with the Bears.
The offense was significantly better with Trubisky at the helm.