sentences:  Dreisbach entered the 1997 season in competition with Griese for the starting quarterback job, but was limited by injuries suffered before the start of the season.As a result, Griese won the job and quarterbacked the 1997 Wolverines to a national championship.Dreisbach entered his senior season in 1998 as a candidate to start, but lost the starting job to redshirt junior Tom Brady, and the backup job to heralded true freshman Drew Henson.