He had a scan on Thursday and though the damage is not as bad as first feared, it is severe enough to rule him out of the game at Eastlands.
Pienaar wrote on his Twitter account: 'Scan results weren't that bad but it looks like i'll need a week of recovery.'
Ruled out: Pienaar will miss the trip to Eastlands, hampered by a groin injury
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Source: Daily Mail
Source: Daily Mail