What 2 quarterbacks who won Super Bowl then lost it next year?

As of Super Bowl XLVI:

1) Craig Morten - Super Bowls V (Cowboys) and XII (Broncos)

2) Fran Tarkenton - Super Bowls VIII, IX, and XI (Vikings)

3) Roger Staubach - Super Bowls X and XIII (Cowboys)

4) John Elway - Super Bowls XXI, XXII, and XXIV (Broncos)

5) Jim Kelly - Super Bowls XXV, XXVI, XXVII, and XXVIII (Bills)

6) Tom Brady - Super Bowls XLII and XLVI

All of the above were starting quarterbacks. There may be some backups who have also been on more than one losing Super Bowl team.