Penrith star Ryan Girdler has revealed he is set to quit the NRL at the end of the year.

The veteran of 215 first grade games says injuries - sternum and calf injuries last year and pleurisy this year - have pushed him towards retirement.

"Unless something drastic happens I'll hang `em up at the end of this year - it's a young man's game," he told the Daily Telegraph.

"Injuries have knocked me around a bit and maybe the signs are there.

"It probably will be my last year ... I just haven't made it official yet."

The Panthers and the Roosters clash on Friday night in a replay of last year's grand final.

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