Goodbye Mad Duck icefogger 14 years ago “Mongo only pawn in game of life.” Legendary All-Pro Defensive Tackle Alex Karras has died from kidney failure. A member of the Detroit Lions “Fearsome Foursome”, Karras was a punishing lineman who wrecked havoc in the trenches. Karras was 77. Share this: Share on Facebook (Opens in new window) Facebook Share on Pinterest (Opens in new window) Pinterest Email a link to a friend (Opens in new window) Email