Injured West Ham star Michail Antonio has been spotted joining in full contact training ahead of the clash with Arsenal. West Ham boss David Moyes looks set to be handed a major boost for the Premier League clash with Arsenal this Sunday. The Hammers will be hoping to make it a hat-trick of wins over Arsenal after 3-1 and 2-0 victories in the league cup and Premier League. West Ham have not actually won a game since beating the Gunners at the Emirates on December 28th. Spotted: Antonio joins in full training ahead of ArsenalAnd Moyes has admitted he is struggling to find balance on the left-ha…