[2] During each of his two seasons at Iowa State, Willoughby was the runner-up for the Big 12 Conference Player of the Year Award.

[3] After playing professionally in Italy, Willoughby made the roster of the Chicago Bulls for the 1999–2000 NBA season, and was reunited once again with coach Tim Floyd.

[5] During the next season, Willoughby signed with the Sydney Kings of the Australian National Basketball League.

However, he injured his knee in a practice,[6] and was released shortly afterward, only having played in one game with the team.

[7] Willoughby later became a coach with the All-Iowa Attack youth basketball program in Ames, Iowa.