Jamie Redknapp says Manchester City must be credited for being so close behind Chelsea, who are one of the best teams he has seen for a long time.
John Terry says if Chelsea continue their form, it will be tough for anyone to beat them to the title after their 2-0 win against West Ham.
Jose Mourinho says Chelsea were very creative with the ball against a difficult defensive side following their 2-0 win against West Ham.
Sam Allardyce says West Ham did not play as well as they can during their 2-0 defeat to Chelsea but will take positives from his side not giving up and creating late chances.
Alex Song is hoping he can help West Ham to more victories in their festive games against Chelsea and his former club Arsenal.
Chelsea lacked poise against West Ham, says Ray Houghton, and sorely missed Juan Mata's skills.
After Chelsea's match with West Ham finished 0-0, Jose Mourinho was critical of Sam Allardyce's side, claiming they played 19th-century football, but Allardyce just laughed it off.
Jose Mourinho accused West Ham of playing "football from the 19th century" after Chelsea's 0-0 draw at Stamford Bridge.
West Ham are likely to be without Joey O'Brien for up to 12 weeks after the defender picked up a shoulder injury.
Jose Mourinho refuses to be drawn on the major incidents following Chelsea's draw at home against West Ham.
Sam Allardyce praises his West Ham side after they left Stamford Bridge with a point after drawing 0-0.
A battling display by West Ham earned a 0-0 draw as Chelsea's title challenge stalled in a Stamford Bridge stalemate.
Chelsea boss Jose Mourinho was in an upbeat mood ahead of Wednesday's match against West Ham at Stamford Bridge.