When the Detroit Lions signed Kyle Allen in March, pretty much everyone thought he was going to come in and be the next Nate Sudfeld, who would just push former third-round pick Hendon Hooker a little before Hooker took the QB2 job going away.

The Detroit Lions pulled quarterback Hendon Hooker from the preseason Week 1 game earlier than expected and inserted Kyle Allen in his place. Here's what we know about the decision.