Wayne Rooney scored for the first time since March as Manchester United condemned West Ham to a 3-0 defeat.
Rooney drilled home a first-half spot-kick after Jonathan Spector had fouled Ryan Giggs and from that moment the Red Devils never looked in danger.
Nani and Dimitar Berbatov also found the net after half-time as the Hammers sank to the foot of the table after their worst start to a season in the Premier League era.
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