Former referee Dermot Gallagher has heaped praise on Martin Atkinson for spotting a dive from Chelsea's Oscar.
Chelsea midfielder Frank Lampard and defender Branislav Ivanovic will be out of action until the end of January.
Chelsea beat Southampton 3-0 at St Mary's Stadium on New Year's Day to keep the pressure on Manchester City and Arsenal.
Mauricio Pochettino said that Southampton are building for the future following their 3-0 defeat to Chelsea.
Jose Mourinho said he was delighted with Chelsea's performance after their 3-0 win at Southampton on Wednesday.
Paul Merson says Chelsea were outstanding and Fernando Torres in particular caused Southampton big problems for the entire match.
Fernando Torres opened the scoring in Chelsea's 3-0 win away at Southampton.
Steven Davis believes Southampton should try to be more ruthless like their New Year's Day opponents, Chelsea.
Gary Cahill believes Chelsea are in the hunt for silverware, despite suggestions of it being a transitional period.
Southampton boss Mauricio Pochettino insists he has no intention of selling any of his young players in January.