The Stellers in 2009
They have appeared in 4 superbowls and lost all 4.
pittsburgh x 2, oakland,kansas city
The Minnesota Vikings have played in four Super Bowls, and lost them all:Super Bowl IV - lost to Kansas City, 23-7Super Bowl VIII - lost to Miami, 24-7Super Bowl IX - lost to Pittsburgh, 16-6Super...
The Lost Viking won because when Gogachog invented the wheel, it fell on him giving The Lost Viking the pin.