Kurt Warner won Super Bowl XXXIV but lost Super Bowl XXXVI with the St. Louis Rams, then lost Super Bowl XLIIII with the Arizona Cardinals.
Craig Morton also was the starting Quarterback to lose the Super Bowl for a NFC team Dallas Cowboys in SB V and an AFC team Denver Broncos SB XII.
Kurt Warner Super Bowl appearances :
Super Bowl 34 (January 30, 2000) St. Louis Rams 23-16 Tennessee Titans
Super Bowl 36 (February 3, 2002) New England Patriots 20-17 St. Louis Rams
Super Bowl 43 (February 1, 2009) Pittsburgh Steelers 27-23 Arizona Cardinals
No starting quarterback has won a Super Bowl ring with two different teams.
Williams was the starting quarterback for the Washington Redskins.
No.. Never happen... till now.
No quarterback has ever won the Super Bowl for two different teams. The only starting quarterback to make it to the Super Bowl on different teams was Craig Morton. He was the starting qb for the Dallas Cowboys in Super Bowl V and for the Denver Broncos in Super Bowl XII.
Ben Roethlisberger was the Steelers starting quarterback in Super Bowl XL.
Neil O'Donnell was the Steelers starting quarterback in Super Bowl XXX.
Craig Morton was the starting QB for the Broncos in their first Super Bowl appearance, Super Bowl XII played January 15, 1978.
Neil O'Donnell was the Steelers starting quarterback in Super Bowl 30 (XXX).
Super bowl XLIII was played in 2009. The Arizona Cardinals and the Pittsburgh Steeler played in that match. The Cardinals starting quarterback was Kurt Warner and back up Matt Leinart while the Steelers starting quarterback was Ben Roethlisberger and back up Dennis Dixon.
Roger Staubach played 125 games at quarterback for the Cowboys during the 1970s and led them to two Super Bowl victories.
The starting quarterback was Tony Eason. He was knocked out of the game after just six plays and Steve Grogan finished the game.