Alternating between midfield and defensive roles, Selwood played in West Coast's 2006 premiership win over Sydney, and also represented Australia in the 2008 International Rules Series against Ireland.

[2] Selwood was recruited from Bendigo Pioneers as the West Coast Eagles' third pick, and number 53 overall in the 2002 AFL Draft.

In 2003, his debut season, Selwood played two games including the losing elimination final against Adelaide.

He was knocked unconscious in a collision with Adelaide captain Mark Ricciuto in round 22 but the forced layoff helped Selwood to recover from compartment syndrome.

[7] In June 2007, Selwood, alongside his brothers and their parents Maree and Bryce, were named AFL celebrity ambassadors for Seeing Eye Dogs Australia.