Mitch Trubisky will start for the Buffalo Bills in his return to Soldier Field as the Justin Fields hype grows. What will the preseason reunion with the Chicago Bears be like Saturday?

Bills quarterback Mitch Trubisky throws a pass during training camp Wednesday in Orchard Park, N.Y. Trubisky, whom the Bears selected with the No. 2 pick in the 2017 draft, returns to Chicago on Saturday for a preseason game at Soldier Field. (Jeffrey T. Barnes / AP)