He was awarded Geelong's captaincy in 1999, but did not play a game that season due to injury.

[1] He was traded for Cameron Mooney and draft picks that yielded, amongst others, six-time All Australian and two-time Best and Fairest winner Corey Enright.

[2] In 2000, Colbert moved to the Kangaroos, mostly holding up full-back or centre half-back.

In 2004, Colbert was appointed the Kangaroos delegate for the AFL Players Association (AFLPA).

In 2006, Colbert joined the West Coast Eagles as one of their back-room staff.