Meanwhile, rival code the National Rugby League has appeared to commit to tougher action. It has said that anyone who racially abuses or threatens players will be reported to police.
But AFL critics say it's taken a largely tokenistic approach. They have called for harsher punishments - like lifetime bans for those caught - and there are pleas for white players to shoulder the burden in speaking up on the issue.
"Enough's enough. When are we going to see a stance?" Mr Betts, the former star player, said on Fox Sports this week.