An Indigenous All Stars representative hooker, he played in the National Rugby League for Parramatta Eels, Sydney Roosters and North Queensland Cowboys.

At the age of five, Mitchell's parents separated and the family moved to Townsville, there he and his brother were raised by their father, Steve, and their grandmother, Margaret.

Despite only three NRL games under his belt, Mitchell was selected to play for the Indigenous All Stars after Preston Campbell was forced to withdraw due to injury.

[6] In June 2012, after playing seventeen games for the Sydney Roosters (7 in 2012), Mitchell made his second mid-season switch in two years, signing with his home town team, the North Queensland Cowboys.

Mitchell said that playing for the North Queensland Cowboys was a dream come true for him and that he had no regrets leaving the Sydney Roosters during the mid-season.