The Bruins are transitioning from the spread to a pro-style system that suits him better .
Rosen threw for almost 3,700 yards and 23 touchdowns as a freshman and set a school record by going 245 consecutive passes without an interception , though he ended up with 11 .
The Bruins are transitioning from the spread to a pro-style system that suits Rosen better .
Rosen threw for almost 3,700 yards and 23 touchdowns as a freshman and set a school record by going 245 consecutive passes without an interception , though he ended up with 11 .