As a senior , he moved to running back after playing quarterback in an option offensive during his junior campaign .
As a senior , he rushed for 1,623 yards and 23 touchdowns on the ground , while also contributing with 2 interceptions on defense .
As a senior , he moved to running back after playing quarterback in an option offensive during his junior campaign and rushed for 1,623 yards and 23 touchdowns on the ground , while also contributing with 2 interceptions on defense .