Rookie QB Josh Allen to Start for the Buffalo Bills in Week 2 The Bills have chosen Josh Allen to start at quarterback against the br San Diego Chargers on Sunday. Allen will become the second rookie QB from the class of 2018 to start a game, after Sam Darnold. The decision by Bills head coach Sean McDermott comes after the Bills' 47-3 loss to the Baltimore Ravens in Week 1. Sean McDermott on starting rookie QB Josh Allen, via press pool In the blowout loss to Baltimore, Allen replaced starting quarterback br Nathan Peterman in the third quarter. The seventh overall pick in the 2018 Draft finished br 6-of-15 for 74 yards.