Each round, the two coaches from every game vote on the best five players from their game, giving five to the player they judge to be the best on ground.
Ten votes is the maximum (five votes from each coach) a player can receive from a game.
Round 12 saw many players step up and take over games for their team. Here are the votes for each game.
Port Adelaide v Richmond
4 Darcy Byrne-Jones (PORT)
4 Sam Powell-Pepper (PORT)
Geelong v North Melbourne
5 Jake Kolodjashnij (GEEL)
2 Patrick Dangerfield (GEEL)
GWS v Gold Coast
St Kilda v Sydney
Brisbane v Essendon
Fremantle v Adelaide
Melbourne v Collingwood
9 Steele Sidebottom (COLL)
1 Jaidyn Stephenson (COLL)
AFLCA LEADERBOARD
51 Nat Fyfe (FRE)
47 Steele Sidebottom (COLL)
46 Patrick Cripps (CARL)
45 Trent Cotchin (RICH)
45 Max Gawn (MELB)
42 Jack Darling (WCE)
40 Jack Macrae (WB)
40 Tom Mitchell (HAW)
37 Andrew Gaff (WCE)
37 Brodie Grundy (COLL)