THE SYDNEY Swans will be forced to make at least two changes for next week's semi final against Adelaide with Kurt Tippett and Callum Mills both ruled out.

Scans on Sunday revealed Tippett suffered a non-displaced, hairline fracture in his jaw following a first-quarter collision with Greater Western Sydney pair Shane Mumford and Callan Ward.

Tippett was also left dazed after a crunching tackle from Mumford in the second term, but played out the game despite the injury.

The club said he will consult a specialist on Monday to determine the best course of action, but will definitely miss the cut-throat semi final against the Crows.

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The club also confirmed NAB AFL Rising Star Callum Mills suffered a low-grade hamstring strain, but did not specify how long he will miss.

Ruckman Toby Nankervis appears set to come in after he was withdrawn from the club's NEAFL Grand Final on Sunday.

Jeremy Laidler was also pulled out of the NEAFL decider against the Giants on Sunday in a sign he is the most likely replacement for Mills.

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The Swans also copped some bad luck in the NEAFL Grand Final, with attacking defender Zak Jones stretchered from the ground after being knocked out in an accidental head clash.

Jones was one of his team's better players before he collided with Giants forward Sam Reid in the final quarter of the match, which the Swans lost to the Giants by four points.

Swans NEAFL coach Rhyce Shaw said Jones, who with Laidler was a front-runner to replace Mills in the senior side next week, would be assessed further during the week.

"He's sitting up, I think he's aware of what's going on," Shaw said.

"It was a pretty heavy collision but the doctor will stay with him and we'll just weigh it up in the morning (Monday).

"I think he was (knocked) out but I'm not sure."

Shaw said if Jones wasn't cleared to play next week, and Laidler was overlooked, the Swans have plenty of options waiting for an opportunity, with Brandon Jack, Harry Cunningham and Dean Towers all solid contributors in the reserves' decider.

"I think we've got a number of players (to replace Mills), and that’s the beauty of our side," he said.

"We try and prepare them for senior footy and (Zak) Jones is certainly one of those players who'd be right in contention to go into the side next week.

"It's a really privileged position that we're in to have such depth."