Javier Hernandez has denied claims he has asked to leave West Ham after the arrival of new manager David Moyes. The Mexico forward has scored four goals since his £16m summer switch from Bayer Leverkusen despite the Hammers' struggles in the Premier League. Reports in Spain earlier this week suggested that Hernandez had asked to leave West Ham ahead of the January transfer window, with Mexican side Chivas his preferred destination. But the 29-year-old said via his official Twitter account: "Completely false. I am 100 per cent committed to helping improve the situation we are experiencing all at West Ham.