West Coast midfielder Chris Masten has been suspended two games by the AFL tribunal for biting Fremantle’s Nic Suban during Sunday’s derby.

Masten’s ban follows Docker defender Alex Silvagni being outed by the tribunal for four games for his behind-play hit on Eagle Jamie Cripps.

Masten’s victim Suban has been put on a five-day antibiotic course after the incident during Sunday’s western derby in Perth.

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But Masten denied biting the Fremantle player.

“Absolutely not, my mouth is wedged on his forearm,” he said.

“There was no intention to bite. I must have closed it by reaction.”

Masten argued he was being roughed up by Suban but the tribunal found him guilty, suspending him for the second-placed Eagles’ next two matches.

Earlier, Silvagni was banned for four games for his elbow on West Coast’s Jamie Cripps.

Silvagni told the tribunal he was embarrassed at striking Cripps.

“It didn’t sit with me well at the time, during the game, or still now,” Silvagni said.

“As a footballer, I don’t like seeing it and I didn’t mean to do it.”

Meanwhile, Brisbane’s Luke McGuane cost himself another $500 with an unsuccessful challenge at the tribunal.

McGuane was initially fined $1000 by the match review panel for rough conduct against Carlton’s Kade Simpson.

He opted to challenge at the tribunal but the charge was upheld and McGuane was instead fined $1500.