Despite having led Manchester City to success domestically during his three years at the club, Roberto Mancini is yet to find the winning formula on the European stage.
And, after crashing out of last year's Champions League at the group stages, the Premier League champions already look resigned to the same fate following Tuesday's 2-2 home draw with Ajax.
But, after a Sergio Aguero strike was disallowed and a late penalty call denied by the officials, Mancini was more aggrieved by poor refereeing decision than his side's lacklustre display..
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