Roberto Mancini has blamed a lack of killer instinct for Manchester City's failure to keep pace with Manchester United in the title race.
City reduced United's lead to a still formidable 12 points with a 1-0 success at relegation threatened Aston Villa Monday night courtesy of Carlos Tevez's first half goal in stoppage time.
But City manager Mancini acknowledges a failure to overcome other struggling opponents this season, despite carving out plenty of chances, has been a key factor in their downfall.
He said: "At Southampton, we played very well and we lost (3-1). We had other games like the one at Villa - against QPR and West Ham - where we missed four or five incredible chances.
"Even in the Villa game, we had other chances to close out the match rather than winning 1-0.
"It has been our problem this year and has cost us points.
"We have a lot of chances in every game that we are missing. This is the difference at this moment (from last seaso...