[2] He tested at the 2015 AFL Draft Combine, recording the equal-fastest 20 m (66 ft) sprint with a time of 2.88 seconds.
[1] West Coast's recruiting manager Rohan O'Brien commented on Mutimer's ability to play multiple midfield positions and his strong kicking skills and speed.
[4] During the 2016 pre-season, he aggravated a split left hamstring tendon suffered prior to the draft and underwent surgery.
[6] Mutimer played four AFL games in 2017,[7] making his debut in the forty-one point win against Fremantle at the Domain Stadium in round six.
[11] Mutimer finished eighth in East Perth's best and fairest, polling 23 votes, the fourth-most of West Coast–listed players.