CARLTON will be without forward duo Zac Fisher and Jack Martin for the next six weeks.

Both West Australians, who impressed in attack against Collingwood, sustained injuries in the final quarter on Thursday night.

Fisher reported bone stress in his ankle late in the game against the Pies, while Martin sustained a PCL injury in the final seconds of the clash.

Director of High Performance Andrew Russell said he expected both to be on the sidelines for the next month and a half, but both have avoided surgery.

“Jack Martin was your classic PCL mechanism of knee-on-knee. Initially, he wasn’t too bad coming out of the game but he’s had some swelling,” Russell said.

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“That’s going to require him to be on the sidelines for somewhere around six weeks.

“Fisher’s is the opposite to his syndesmosis ankle last year… he’s got some bone stress. We think he’s at this stage he’s going to miss around six weeks of footy and then we’ll see him back out there.”

Russell also cleared up the fitness of Patrick Cripps, with the Director of High Performance saying the co-captain had benefited from a 10-day break this week.

He said there was no doubt surrounding his availability for the Easter Sunday clash with Fremantle.

“Patrick’s had some soreness in the first couple of rounds. It’s not uncommon for players to play with soreness,” he said.

“He’s been able to train more this week than he has in the last couple of weeks.

“We’re very confident that after the 10-day break, we’re going to see a really good Patrick Cripps on Sunday versus Fremantle.”

Russell also said that Jack Silvagni was “a really strong chance” to play this weekend in his recovery from a shoulder injury.

Player Injury Update
Patrick Cripps Soreness Available for selection.
Charlie Curnow Knee  
Tom De Koning Back "We haven't quite got him back in the ball program. It looks like we'll see him back out there after Round 6."
Zac Fisher Ankle "He's got some bone stress in his ankle. We think at this stage he's going to miss around six weeks." 
Brodie Kemp  Foot  
Caleb Marchbank Reconditioning Test for selection.
Jack Martin Knee  
Mitch McGovern Back Test for selection.
Nic Newman Knee "He's doing a really quality running program. It's unlikely that we'll see him before Round 7 or 8."
Sam Philp Hip/Groin Test for selection.
Jack Silvagni Shoulder Test for selection.