After being redshirted as a freshman in 2005, Canfield played in eight games as a backup quarterback in 2006, completing 28 of 45 passes for 355 yards two touchdowns and three interceptions.

As a sophomore in 2007 Canfield started the first nine games for the Beavers before suffering an injury against the USC Trojans.

[6] Prior to being waived on August 31, he was competing for the backup quarterback position behind starter Drew Brees.

During the 2010 season, Canfield spent time jumping back and forth from the active roster to the practice squad without seeing any game action.

He spent time on the team's practice squad and active roster again during the season.