Accidental contact with an AFL umpire could soon cost players their chances at the Brownlow Medal after the AFL brought in severe sanctions for repeat offenders.

An increase in AFL players making contact with umpires has forced the league to act and repeat offenders will now be sent directly to the tribunal with suspensions among potential penalties.

THE AFL has cracked down on public criticism from players and officials of the match review and tribunal process, issuing please explain notices and contacting club bosses about player tweets.

An increase in AFL players making contact with umpires has forced the league to act and repeat offenders will now be sent directly to the tribunal with suspensions among potential penalties.