Oregon has never played in the super bowl as Oregon has no NFL team.
The Minnesota Vikings, who were the losing team in Super Bowls IV, VIII, IX and XI.
The Minnesota Vikings have played in 4 Super Bowls ( IV, VIII, IX, XI ) and have never held the lead in any of the four games.
The Buffalo Bills played in and lost four consecutive Super Bowls. The Bills were in Super Bowls XXV, XXVI, XXVII, XXVIII.
fc tower united
Minnesota Vikings ... they played in Super Bowls IV, VIII, IX, and XI.