No one knows who the Bucs starting quarterback will be once the season kicks off in September, which is a frightening proposition for Joe. If Raheem the Dream is truly crazy and starts bust-in-waiting Josh Freeman, the MVP of the Bucs could prove to be Byron Leftwich.

Pat Kirwan of CBSSports.com talks with Jason Horowitz about the best backup quarterbacks in the league and begins to discuss how valuable a backup quarterback is for a rookie starter.