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.[4] He appeared in 25 games that season, registering one start, and averaged 7.6 points.[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]
Later life
Willoughby later became a coach with the All-Iowa Attack youth basketball program in Ames, Iowa.[8]
Death
Willoughby died on July 19, 2023, at the age of 49. He suffered a heart attack during a pick-up game of basketball in Atlanta.[9]