The Yellowjackets returned to the WSTCC in 1931 after having been suspended in 1930 for using inelgible players.
[1] Despite its undefeated season, Superior was ineligible for the WSTCC championship as it did not fulfill the requirement of playing four games against conference opponents.
[2] After the season, the conference coaches selected an all-conference team.
Two Superior players, end Joe Lesczynski and halfback Clark Croft, were named to the first team.
[3] The team played its home games at Gates Field in Superior, Wisconsin.