Irish Echoes: Tom Lieb, Olympic medalist and undefeated stand-in for Knute Rockneby:Jim Lefebvre•11/04/22•NDWritingIrishRead In AppTom Lieb was a lineman at Notre Dame and a 1924 Olympic discus thrower who started a football coaching career at Notre Dame under Knute Rockne (Photo provided by Lieb family).Former Notre Dame lineman and Olympic medalist Tom Lieb was Knute Rockne's undefeated sub in 1929, launching a long coaching career.