Manchester City striker Mario Balotelli is in doubt for Thursday's Europa League tie with Polish outfit Lech Poznan.
The Italian attacker left the training ground early on Monday as a precautionary measure after he had soreness in his thigh.
It is expected that he will travel for the game but the club is unsure if he will play as Roberto Mancini wants to keep him fresh for two upcoming league matches against West Brom and rivals Manchester United.
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