Sisto Joseph Averno (May 12, 1925 – March 26, 2012) was an American football guard and linebacker who played in the National Football League for the original Baltimore Colts (1950), the New York Yanks (1951), Dallas Texans (1952) and the Baltimore Colts (1953–1954). He was the final pick of the 1951 NFL Draft, serving as that draft's Mr. Irrelevant. Sisto's college football career also earned him recognition as a member of the Muhlenberg College Athletic Hall of Fame.