FREMANTLE captain Nat Fyfe will miss Sunday's Western Derby against West Coast after re-aggravating his troublesome right hamstring. 

Despite returning last week, just 14 days after suffering a strain in round four, scans on Wednesday revealed Fyfe had sustained further damage that is expected to keep him out for multiple weeks. 

The Dockers are hopeful ruckman Sean Darcy will be cleared to play after missing the second half of last week's win over St Kilda with concussion. 

However, Hayden Young has been sent for ankle surgery and Griffin Logue has sustained turf toe and will be sidelined until the latter parts of the season. 

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Fyfe failed to attend a cente bounce after half-time against the Saints and was anchored to the goalsquare, prompting calls that he had re-injured his hamstring. 

However, post-game coach Justin Longmuir said the move was simply tactical, while high performance boss Jason Weber said on Monday Fyfe had suffered a knock to his shin. 

But the dual Brownlow medallist was sent for further scans after pulling up sore from training on Tuesday. 

"Nat got through the game against St Kilda on Saturday," head of football Peter Bell said.

"On Monday, we had him do some tests on his right hamstring and he reported 100 per cent strength.

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"On Tuesday after a training run he pulled up with a little bit of soreness so we sent him off for a scan.

"The scan indicated that he has a small strain to his right hamstring in a different area to the previous one, so unfortunately he will miss this week and potentially a few more games after that.

"Nat will get stuck into his rehabilitation and, hopefully, we'll see him in a few weeks."

Logue had been one of the Dockers' shining lights in defence to start 2020, but his toe injury sustained in round five is worse than first feared. 

"Unfortunately Griffin has turf toe, which is a reasonably serious injury around that right big toe," Bell said.

"The rehab plan for him is to have about five weeks of partial weight bearing to protect that toe and let it recover and then build from there.

"It's another longer term injury and we're hopeful he'll be back later in the year."