West Coast star midfielder Daniel Kerr will almost certainly face suspension after being caught on camera headbutting Western Bulldogs veteran Scott West.

The off-the-ball incident occurred in the opening term of Saturday night's match at Telstra Dome.

Kerr appeared to use the top of his head to ram into the jaw of West, who had to spend some time on the bench recovering from the contact.

A suspension of any length will cost Kerr the chance to take on former Eagles skipper Chris Judd, whose new side Carlton play West Coast at Subiaco on Friday night.

West Coast have sorely missed Judd and Ben Cousins this season and the likely upcoming absence of Kerr will put even more pressure on their struggling midfield.

A suspension of more than one match will also rule Kerr out of playing for the Dream Team in the Hall of Fame tribute match at the MCG on May 10.

The incident occurred in a match in which Kerr was constantly niggled by Bulldogs players, prompting coach John Worsfold to call for greater protection from the umpires for the game's elite midfielders.

He is not the only Eagle in trouble, with defender Brent Staker booked in the first term for striking the Bulldogs' Robert Murphy, after Murphy confronted him in retaliation to the Kerr-West clash.

It was Staker's first match back, after missing the previous round with concussion as a result of the Barry Hall punch.

Feisty Fremantle midfielder Josh Carr is also on report, for kneeing Geelong's Gary Ablett in the second quarter of Saturday night's match at Subiaco.

The incident occurred at a centre bounce, with Carr appearing to knee Ablett in the thigh, causing the Geelong star to fall to the ground.

In other incidents from the weekend's matches, Essendon fringe player Courtney Johns was reported for crashing into Collingwood's Scott Pendlebury after arriving late at a marking contest in the first quarter of Friday's MCG Anzac Day clash.

And Carlton's Darren Pfeiffer was booked for making forceful front-on contact to Adelaide's Graham Johncock in the final term of Saturday's match at the MCG.

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