At the start of the season it wouldn’t have been a surprise to see one of these London clubs fighting for the Champions League with the other back in mid-table, but the fact it is West Ham, and not Chelsea, attempting to enter the top four is far more out of the ordinary.
The Blues go into the match still undefeated since Guus Hiddink took charge in December, a run which now stretches to 13 games.
However, they have drawn five of their last six home matches; if they had converted some of those single points into three they could be seriously challenging the top four in what remains a very open and unpredictable Premier League season.
Whilst their home form has not been as imperious as in recent seasons – only Manchester City and Leicester have scored more than Chelsea’s 27 goals on home soil this season – the hosts will be looking for a strong reaction in front of their own fans in response to last weekend’s 2-0 FA Cup defeat at Everton.
West Ham travel across the capital looking for their fourth win in a row; it would be the first time they have achieved that feat in the league since February 2014 if they manage it.
Chelsea’s goal power at home is matched by West Ham’s on the road; they have scored more away from the Boleyn Ground than at home this season and have scored three goals on their travels on four separate occasions, including their 3-2 win at Everton last time out.
The Hammers are without a win at Stamford Bridge since 2002, when Paolo Di Canio hit a brace in a 3-2 win; in Dimitri Payet they have a similarly mercurial talent who could inspire another famous victory in west London.
Attacking duo Eden Hazard and Diego Costa are missing for Chelsea – the latter through suspension after his sending off at Goodison Park in the FA Cup defeat last weekend.
The visitors are still suffering from defensive injury concerns with James Collins and James Tomkins both out, but Sam Byram returns after being cup-tied last weekend. Victor Moses is ineligible due to the terms of his loan preventing the winger playing against his parent club.
League Position: Chelsea – 10th (40 pts); West Ham – 5th (49 pts)
Previous Meeting: West Ham 2-1 Chelsea (October 24, 2015)
Form: Chelsea – DDWWWD; West Ham – WLDWWW
Key Men: Chelsea – Willian; West Ham – Dimitri Payet
Shoot Says: Chelsea 1-1 West Ham