Buffalo Bills.
The Bills went to four consecutive Super Bowls (XXV, XXVI, XXVII, XXVIII) and lost each one.
The Miami Dolphins went to three consecutive Super Bowls (VI, VII, VIII). They lost VI and won VII and VIII.
These are the only two teams, through Super Bowl XLIII, that have gone to more than two consecutive Super Bowls.
roger stabauch
Pittsburgh Steelers
charles haley
Mississippi State
Bo Jackson
Pittsburgh Steelers - 6
Adrian Peterson
Steve young
gredhrdui
Jerry Rice
Pittsburgh steelers
UT baby