Sydney Roosters marquee Cooper Cronk is in serious doubt for the NRL Grand Final.
The Roosters released a statement revealing Cronk has suffered a severe rotator cuff injury to his left shoulder.
The club has also revealed Cronk has already commenced his rehabilitation program and will be given right up until kickoff to prove his fitness.
The Roosters are also sweating on the availability of hooker Jake Friend who could be charged after a carless tackle on Rabbitohs captain Greg Inglis.
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