Carlton key forward Jarrad Waite will be scrutinised by the AFL match review panel for the fourth time this season after his bump on Fremantle's Paul Duffield.

Blues captain Chris Judd might also have a nervous wait after an incident involving his Dockers counterpart Matthew Pavlich.

Carlton are already in trouble at the mid-season break following successive losses to the Dockers and North Melbourne.

They have also lost ruckman Matthew Kreuzer for the rest of the season with a ruptured anterior cruciate ligament.

The panel are sure to look at an incident in Saturday night's nine-point loss to Fremantle at Etihad Stadium, where Waite bumped Duffield off the ball.

Waite has served a two-game suspension already this season for a high bump on Port Adelaide's Jason Davenport.

If Waite is reported, carryover points and a loading for a poor record would add to the penalty.

In his first game back from the suspension, Waite was booked earlier this month for rough conduct against Melbourne forward Matthew Bate.

But coach Brett Ratten strongly defended Waite immediately after the game and the panel agreed, clearing Waite of the charge.

The panel also cleared Waite of contact with Richmond's Daniel Connors in round one.

There is television footage of Judd's forearm making contact with Pavlich as they were on the ground, another incident likely to attract panel scrutiny.

Meanwhile, mystery surrounds how Hawthorn midfielder Chance Bateman suffered concussion in the last quarter of Friday night's win over Essendon at the MCG.

It is understood there is no video footage which shows any impact to Bateman.

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