Samuel Eto'o continued his recent goalscoring run with the opener for Chelsea.
Andre Marriner is under the microscope for awarding a penalty to Chelsea.
Ramires has been accused of diving to win the penalty.
Eden Hazard halted West Brom's hopes of victory, slotting home from the spot.
Crystal Palace managed to keep Romelu Lukaku at bay as they played out a 0-0 home draw with Everton.
Philippe Coutinho returned to Liverpool's starting line-up against Fulham.
Liverpool celebrate en masse following Martin Skrtel's goal against Fulham.
Luis Suarez celebrates scoring his second goal for Liverpool against Fulham.
England international Rickie Lambert kept up his impressive penalty record, converting against Hull.
Adam Lallana's cracker helped lift Southampton into third place.
Libor Kozak made sure of the points for Aston Villa with the second goal against Cardiff.
Gary Hooper opened his account for Norwich with a penalty against West Ham.