Barry Hall wasn't the only AFL forward to experience a moment of madness on the weekend as Geelong's Cameron Mooney flirted with his bad old ways to earn a one-game suspension for tripping.

Not even a guilty plea can save Mooney from being suspended from Saturday's game against Sydney after he stuck his leg out and tripped St Kilda's Leigh Montagna at Telstra Dome last Saturday.

The AFL match review panel viewed Mooney's offence as intentional, of low impact and to the body, which drew five activation points.

That verdict would normally get players off with a reprimand, but Mooney's poor disciplinary record - largely based on an appalling 2006, when he was suspended four times - bumped his tally of demerit points up to 187.50.

An early plea would reduce that to 140.63, but it would not be enough to beat a suspension.

Mooney was famously told by his teammates to rein in his aggression and curb his lapses of discipline before the 2007 season, and that resulted in him earning All-Australian honours and the Cats' leading goal-kicking award in last year's premiership win.

Now only a successful contest at the tribunal on Tuesday night can keep that good recent run intact.

Mooney's teammate Ryan Gamble also faces a week on the sidelines, after he was hit with a one-game ban for striking St Kilda's Nick Dal Santo in an incident judged as intentional, low impact and high contact.

Gamble would be suspended for two games if he challenged at the tribunal and lost.

The Cats will on Tuesday announce whether they challenge or accept the panel's verdicts.

Three other players face one-game suspensions from the weekend.

Melbourne's Brad Miller could miss Sunday's game against Carlton for engaging in rough conduct against North Melbourne's Daniel Pratt, Collingwood's Nick Maxwell is likely to miss Saturday's game against North for striking Carlton's Marc Murphy, and Fremantle's Steven Dodd could miss Saturday's game against Adelaide for tripping Richmond's Jack Riewoldt.

Miller crashed into the back of Pratt at the MCG last Saturday, but could also pay for a bad record, as he cannot avoid a one-game suspension with an early guilty plea.

Maxwell's strike at the MCG on Sunday was considered more serious and drew seven activation points (intentional, medium impact, high contact), but he can reduce a potential three-game suspension to a one-game ban by accepting a guilty plea.

Dodd was reported for tripping Riewoldt at Subiaco Oval on Sunday, and was also penalised for a bad record, which means the only way he can avoid a ban is by successfully challenging.

The Demons, Dockers and Magpies will all announce their decisions on Tuesday.

In other charges, Adelaide's Nathan Bassett can accept a reprimand by pleading guilty to a minor strike on Hawthorn's Rick Ladson at Aurora Stadium on Sunday.

Essendon's Sam Lonergan and the Western Bulldogs' Brad Johnson can both accept $1950 fines for making contact with an umpire at Telstra Dome last Friday night.

Carlton received a boost on top of their drought-breaking win, as Nick Stevens' report for striking Collingwood's Alan Didak was thrown out.

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