West Ham: How the giant-killers took down Premier League’s top teams

MANCHESTER, ENGLAND - SEPTEMBER 19: Slaven Bilic of West Ham United awaits kick-off prior to the Barclays Premier League match between Manchester City and West Ham United on September 19, 2015 in Manchester, United Kingdom. (Photo by Arfa Griffiths/West Ham United via Getty Images)After their impressive wins against at Emirates and Anfield, Slaven Bilic’s West Ham have well and truly established themselves as giant killers with their stunning victory against league leaders, Manchester City.

City went into the game with five wins out of five and Pellegrini’s men were yet to concede a goal. Bilic’s side were expected to cause some problems for the home side, but few would have expected them to…