After graduating from Saint Mary's in 1929, Musty accepted a position as assistant football coach, head basketball coach, and director of intramural sports at the school.[4] In 1932, he was promoted to head football coach for the 1933 season.[2] He was the youngest head coach in the conference, being only 26 in his first year.[2] After compiling a 3–3–1 football record in 1933, Musty resigned to study medicine at Saint Mary's.[5]
While studying at Saint Mary's in 1934, Musty accepted a position as assistant football coach at the University of St. Thomas.[5]
After one year at the military academy, Musty was named athletic director, head football coach and head basketball coach at the University of St. Thomas.[7] St. Thomas compiled a 2–3–2 record in their first year under Musty.[8] In his third season as football coach, 1939, Musty led St. Thomas to the conference championship with a 6–1–1 record.[9][10] Following the 1940 season, he resigned to enter the medical profession.[11] He was succeeded by Frank Deig as basketball coach and athletic director.[12]Willie Walsh succeeded him as football coach.[13]
Later life and death
Musty later practiced medicine in Minneapolis for many years, retiring in 1972.[1]