By Andrew Holleran In-game starting quarterback benchings are pretty rare in the National Football League, but we could get one on Sunday afternoon. The Indianapolis Colts are starting the Jeff Saturday, interim head coach era on Sunday afternoon. He could be in line to make a pretty huge decision. While Sam Ehlinger is expected to start at quarterback, he could get benched for Matt Ryan. Zak Keefer had the details. “If things go poorly today vs. the Raiders, wouldn’t be surprised if Jeff Saturday turns to Matt Ryan at QB. Heard Ryan got some 1st-team reps in practice this week, and while Satu…