Three, all with the 49ers. He was the backup QB to Joe Montana in Super Bowls XXIII and XXIV and the starting QB in Super Bowl XXIX.
He played for the 49ers and the Buccaneers.
The only one I know of was Danny White (#11) of the Dallas Cowboys. Steve Spurrier was the 49ers backup QB and #1 punter for the seasons 1967-1970.
1) Todd Husak - backup QB in 2001. 2) Gary Kubiak - backup QB to John Elway between 1983-1991 and current head coach (2009 season) of the Houston Texans. 3) Jeff Lewis - backup QB between 1996-1997. 4) Tommy Maddox - backup QB between 1992-1993. 5) Matt Mauck - backup QB in 2004.
Steve DeBerg.
Joe Montana was the starting QB and Steve Young was the backup.
the backup QB for the Seattle Seahawks
520k
Yes. Matt Cassel was a backup QB for USC. He played behind Carson Palmer and then Matt Leinart. Even though he was a backup, he was still drafted into the NFL by the Patriots.
Mark Rypien was the Redskins QB in the 1992 season. Cary Conklin was his backup.
For the 1980 season, Danny White was the starting QB and Glenn Carano was the backup.
49ers QB Steve young is still alive.