Sydney (2012–2016) Mitchell was drafted to Sydney with pick 21 in the
2011 AFL draft under the
father–son rule. During round 9 of the
2014 season, Mitchell played in the Swans reserves team and had a record 64 disposals (23 contested, 41 uncontested) and kicked four goals. At the conclusion of the
2016 season, Mitchell requested a trade from Sydney and was subsequently traded to Hawthorn in October.
Hawthorn (2017–2022) In the
2017 season, Mitchell broke the VFL/AFL record for the most disposals in a home-and-away season in round 22 when he had his 749th possession, passing
Wayne Richardson's mark set in 1971. Following a record-breaking home-and-away season, Mitchell was named in the
All-Australian team for the first time. He was runner-up to
Dustin Martin in the
2017 Brownlow Medal (
Patrick Dangerfield polled more votes, but was ineligible due to suspension). Mitchell won his first
Peter Crimmins Medal in that season. On 24 March 2018, in Round 1 of the
2018 season, Mitchell set the record for the most disposals in an VFL/AFL game, amassing 54, also becoming the first player to have 50 or more disposals in more than one game. Mitchell had 50 possessions in Hawthorn's Round 15 loss to
GWS later that year, becoming the first player to have more than one 50+ disposal game in a season as well as the first player to have three 50-disposal-plus games (with no other player having achieved multiple 50-disposal-plus games as of 2023. His 848 disposals in 2018 passed
Matt Crouch's season record of 825, set in 2017. Mitchell won the
2018 Brownlow Medal, the
Peter Crimmins Medal,
Leigh Matthews Trophy and the
Lou Richards Medal. Mitchell became the first Hawthorn player to win the
Leigh Matthews Trophy since
Shane Crawford in 1999. On 11 January 2019, It was announced that Mitchell would miss the entire 2019 season after suffering a broken leg during a tackling drill at training.
Collingwood (2023–2025) Mitchell was traded to
Collingwood at the end of the
2022 AFL season. Mitchell's first season with Collingwood was a raging success with the club finishing the season on top of the ladder and Collingwood beating Brisbane in the
2023 AFL Grand Final with Mitchell finishing fourth in
Norm Smith Medal voting after having 24 disposals, 7 clearances and a game high 13 tackles. Mitchell was delisted at the end of the
2025 AFL season, after 3 seasons at Collingwood. He announced his official retirement in January of 2026. ==Statistics==