During his rookie season last year, Williams played in all 17 regular season games. He completed 62.5 percent of his pass attempts for 3,541 yards, 20 touchdowns, and six interceptions. Also, the 23-year-old quarterback ran for 489 yards on 81 attempts.

Trubisky spoke with the media on Friday, as the Bills had joint practice with the Bears in Chicago, and was asked what advice he would give to second-year quarterback Caleb Williams - his answer didn't disappoint.

We break down Friday's joint practice between the Bears and Bills — how the two starting quarterbacks fared and Mitch Trubisky's return.