West ham 0-1 Chelsea: Allardyce says Eden Hazard goal 'offside'

West Ham boss Sam Allardyce says he is disappointed with some of the refereeing decisions and thought Eden Hazard's goal in Chelsea's 1-0 victory at Upton Park. was offside.

Hazard headed the visitors ahead from Ramires' right-wing cross.

Allardyce has never defeated a Jose Mourinho-led team in the Premier League in 10 attempts.