Sydney expect to learn on Monday the severity of knee injuries suffered by key players Tadhg Kennelly and Daniel Bradshaw in Saturday's AFL loss to Fremantle.

The Swans lost half-back Kennelly in the opening minutes of the game at the SCG when he copped a knock to the side of his knee, and were then left without full-forward Bradshaw, who hurt a knee when he landed heavily in the third quarter.

Sydney believe Kennelly suffered a medial ligament strain in his left knee, but are unsure exactly what Bradshaw did.

A Swans spokeswoman said the club would learn more on Monday.

The injuries come at a bad time for Sydney, who have been well beaten in their past three games,bringing undone their good work in the opening six rounds when they won five and took top spot on the ladder.

Sydney play resurgent Hawthorn at the MCG next Sunday, but at least will regain ruckman Shane Mumford, who has served his two-game suspension.

Carlton also suffered some injury worries in their 50-point defeat to Hawthorn at Etihad Stadium on Sunday.

Key-position player Simon White damaged his left knee, small defender Chris Johnson suffered a fractured forearm and goalsneak Chris Yarran a suspected quad strain.

That all came after the skilful Ryan Houlihan pulled out of the game with a hamstring problem.

Blues coach Brett Ratten said White was likely to miss two games, but was unsure about Johnson.

"White's got a medial ligament, left knee, he might miss a couple of games," he said.

"Johnson's got a fracture in his forearm, so we'll find out, off to hospital, maybe a fracture, but he's got soreness.

"Whether it's bruising, fractured, we're not sure."

Ratten said Houlihan would be "really close" to playing West Coast next Sunday at Etihad Stadium.

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