Manchester City's Pablo Zabaleta is treated on the touchline following a challenge

Manchester City's Pablo Zabaleta celebrates after his shot is turned into his own net by West Ham United's Lars Jacobsen

Manchester City's Adam Johnson (left) and West Ham United's Daniel Gabbidon (right) in action

Roberto Mancini, Manchester City managert

Roberto Mancini, Manchester City manager

Referee Howard Webb (left) shares a joke involving a notepad with West Ham United manager Avram Grant (right) on the touchline

Manchester City manager Roberto Mancini watches the match on the touchline

Avram Grant, West Ham United manager

Manchester City manager Roberto Mancini (left) and his assistant Brian Kidd (right) on the bench

West Ham United manager Avram Grant (right) and his assistant Wally Downes (left) on the touchline

Manchester City's Nigel De Jong (centre) celebrates scoring his side's first goal of the game

Manchester City manager Roberto Mancini (left) on the touchline

Avram Grant, West Ham United manager

Manchester City's Pablo Zabaleta (left) scores the second goal as he is challenged by West Ham United's Daniel Gabbidon (right)

Referee Howard Webb (left) shares a joke with West Ham United manager Avram Grant (right) on the touchline

Roberto Mancini, Manchester City manager