Chelsea beats West Ham 3 -0 in English Premier League . Goals from Diego Costa and Diego Costa . Champions Manchester City keep pace at top with 3 -1 win at Chelsea . NEW : West Bromwich Albion sacks boss Neil Warnock after 2 -1 defeat to Southampton .
Chelsea beats West Ham 2-0 in English Premier League . Goals from John Terry and Diego Costa . Champions Manchester City keep pace at top with 3-1 win at WBA . NEW : Crystal Palace sacks boss Neil Warnock after 3-1 defeat to Southampton .