McGahee Helps Bills Beat Broncos 16-6 (AP) AP - This is what everyone was waiting for from Willis McGahee. After 19 months of recuperation and countless questions about the strength of his left knee, the Buffalo Bills running back finally provided some answers. McGahee had the go-ahead score on a 1-yard run in his NFL preseason debut, helping the Bills to a 16-6 win over the Denver Broncos on Sunday.