Hawkins left Boise State for Colorado after the 2005 season, and Petersen was promoted to head coach on Sophomore tailback Ian Johnson said about the transition, "We trusted him and knew he was going to take care of us. We knew he was a great person. He was going to recruit people just like himself. We waited for him to get everybody here and he got in the perfect people." Petersen had served as offensive coordinator at Boise State for five seasons and was twice nominated for the Broyles Award, given to the nation's best assistant coach.