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Deion Sanders played on two Super Bowl Teams: the 49ers in 1994 and the Cowboys the following season.
yes: Kurt Warner played with the St.Louis Rams in super bowl 34 and with the Arizona Cardinals in super bowl 43
No starting quarterback has won a Super Bowl ring with two different teams.
Here's a link that will tell you all of the Super Bowl winners up to last year's Super Bowl, no new teams played the 2011 Super Bowl. It was played by Super Bowl veterans the Steelers and the Packers. The list at the bottom is up to date.
No quarterback has won the Super Bowl as a starter on two different teams.
The teams have never played each other in a Super Bowl.
Rams and Titans
The 49ers and the Chargers.