Mitchell had an outstanding 2012 season with Claremont, winning the Sandover Medal for the best and fairest player in the WAFL with a record 58 votes (equalling Matt Priddis' record for Subiaco in 2006),[1] the EB Cook Medal for Claremont's best and fairest player,[2] and playing in Claremont's Premiership winning team, kicking 3 goals.
[4] He was elevated from the Rookie List due to Nick Salter being placed on the long-term injury list,[5] he made his debut in round 1 against Melbourne at the MCG as a substitute in the fourth quarter.
He scored his first AFL goal against GWS in Round 2.
[6] He was delisted by the club in October,[7] but was re-drafted in the 2016 rookie draft.
[9] Following his delisting, Mitchell took a year off to go travelling, returning to play for Claremont in 2018.