Port Adelaide star Shaun Burgoyne and Hawthorn midfielder Ben McGlynn lost their challenges on rough conduct charges at the AFL tribunal.

Burgoyne was found guilty of engaging in rough conduct on Hawthorn's Sam Mitchell in last Saturday's game in Launceston and suspended for three games.

McGlynn pleaded guilty to the same charge, on Port's Kane Cornes, but his attempt to have his conduct downgraded from reckless to negligent, and his suspension reduced from three games down to two, failed and he was banned for four games.

Both onballers were left ruing their gambles against the system, plus the impact of recent separate offences, although Burgoyne did not incur any increase in penalty because the tribunal jury downgraded one aspect of his offence.

Burgoyne argued he had eyes only for the ball as he ran past Mitchell in an attempt to get a loose ball and was unaware he made contact to the Hawks skipper's temple with his back, which knocked his opponent out.

He denied he moved off his line to bump Mitchell out of the contest.

"My sole objective was always to get the footy," he said.

After deliberating for 37 minutes, the tribunal jury announced it agreed with the match review panel's original verdict and upheld the suspension, although it downgraded it to two games by dropping the level of impact from high to medium.

Mitchell was unconscious only momentarily and has been cleared to play Melbourne on Sunday.

But Burgoyne's 93.75 carry-over points from an offence last year increased his suspension back to three games and will deny the Power of one of their best players to the mid-season point.

McGlynn pleaded guilty given he ran straight into Cornes and made high contact when the Port player was on his knees trying to pick up the ball.

But the young Hawk argued that the conduct aspect be downgraded given he rolled over the top of Cornes in an attempt to reduce the impact given contact was inevitable.

But the jury rejected his claim and maintained the match review panel's assessment, and McGlynn was hit with an extra game because he failed in his challenge, and because of 93.75 carry-over points from a reprimand earlier this season.

McGlynn won't be the only Hawk suspended for the clash with the Demons, as Brownlow Medallist Shane Crawford accepted a one-game suspension for striking Port's Dean Brogan in an off-the-ball incident.

It will be the second time this season Crawford is on the sidelines suspended, as he missed the first three games of the year for striking North Melbourne's Daniel Harris in last year's semi-final.

West Coast's Matt Rosa accepted a reprimand for striking Kangaroo Matt Campbell.

Essendon's Kyle Reimers accepted a $1,950 fine for making negligent contact with an umpire, while Fremantle's Dean Solomon ($1,800) and the Western Bulldogs' Tom Williams ($900) accepted fines for wrestling each other.

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