Morley was second-choice skipper after Jamie Peacock was ruled out with a knee injury several weeks ago.
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"He could be out for four to six weeks with a knee injury, " said Hill.
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Dooher played in the decider despite having a hamstring problem while O'Neill has a knee injury.
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The 25-year-old Osprey back has not played rugby since suffering a knee injury recurrence in January.
But experienced Cardiff Blues centre Tom Shanklin has declared himself fit after a knee injury.
Mitch left the world of competitive surfing behind twenty years ago, because of a knee injury.
Evans, 25, had only just returned from 10 months out with a knee injury.
McCormick left the game with 1:16 remaining after suffering a knee injury and did not return.
Scrum-half Chris Cusiter has already returned to Scotland, having failed to shake off a knee injury.
Ayres had a knee injury and did not play as a senior at Middletown (Del.) High.
Evans returns to full fitness after a few weeks out with a knee injury.
One person suffered a minor knee injury and the other one was not hurt.
The problem was an old flag-football knee injury that had caused muscle atrophy on the injured side.
Armagh then suffered a blow when John Toal had to be stretchered off with a knee injury.
BBC: SPORT | Northern Ireland | Gaelic Games | Armagh fight back to earn replay
Vickery limped off with a knee injury during his side's 29-19 win over Sale Sharks on Tuesday.
Though his teammates, with Russell Westbrook out with a knee injury, need to give him more help.
Centre Rob Dewey is also a doubt for Saturday's match after suffering a knee injury against Romania.
The Blackbirds opened the season 0-4 and then lost Boyd to a knee injury after eight games.
Rivera is coming off a season-ending knee injury, suffered during batting practice in Kansas City May 4.
The Samoan international announced his retirement in August after failing to fully recover from a knee injury.
Terry came on as a second-half substitute, having been out for two months with a knee injury.
Six Nations skipper Chris Cusiter is not included after failing to shrug off a knee injury in time.
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Juventus midfielder Claudio Marchisio is doubtful for the encounter as he is struggling with a minor knee injury.
Nadal won the Barcelona Open from 2005-09 but did not play in 2010 because of a knee injury.
South African fly-half James, 31, has been out of action since April 2008 with a cruciate knee injury.
DAYTON, Ohio In December, LIU Brooklyn lost its best player, Julian Boyd, to a season-ending knee injury.
He then suffered another knee injury against CFR Cluj in the Champions League in Romania two weeks ago.
And Dominic Cork has recovered from a knee injury which hampered him during the draw at Trent Bridge.
He had 31 tackles and three sacks this past season, missing the finale because of a knee injury.
Revis, recovering from a major knee injury, is expected to draw plenty of interest on the trade market.
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