Arsenal's hopes of a top-four finish remain in the balance after they were held to a goalless by an under-strength Chelsea side at Emirates Stadium.
Didier Drogba gave Chelsea a surprise win over Barcelona as they moved towards the Champions League final.
Chelsea moved through to an FA Cup final with Liverpool at the expense of Tottenham after controversy at Wembley.
Clint Dempsey rescued a point for Fulham on his 150th appearances at Craven Cottage, to deal Chelsea a blow in their bid for a top four finish.
Juan Mata scored a stoppage-time winner to sink struggling Wigan and strengthen Chelsea's hopes of a top-four finish.
Chelsea survived a late fightback to overcome 10-man Benfica at Stamford Bridge and set up a Champions League semi-final against holders Barcelona.
Aston Villa fell to defeat against Chelsea at Villa Park, just 24 hours after captain Stiliyan Petrov had been diagnosed with acute leukaemia.
Salomon Kalou's away goal helps Chelsea put one foot in the Champions League semi-finals after a last-eight first leg win in Lisbon.
Tottenham maintained their five-point advantage over Chelsea after shading a poor draw at Stamford Bridge.
Carlos Tevez returned to set up Samir Nasri's winner as Manchester City beat Chelsea to reduce Manchester United's Premier League lead to a point.
Fernando Torres ended a 24-game goal drought with two strikes as Chelsea eased past Leicester to book a place in the FA Cup semi-finals.
Branislav Ivanovic scored an extra-time winner as Chelsea reached the Champions League quarter-finals with a dramatic victory over Napoli at Stamford Bridge.
Didier Drogba's assured finish earned Chelsea a narrow victory over 10-man Stoke in Roberto di Matteo's first Premier League game in charge.
Juan Mata and Raul Meireles score as Chelsea win 2-0 at Birmingham in Roberto di Matteo's first match in charge.
Andre Villa-Boas has parted company with Chelsea Football Club today, Sunday 04 Mar 2012.
Gareth McAuley's late goal earned West Brom a third successive Premier League win and piled the pressure on Chelsea manager Andre Villas-Boas.
Chelsea turned on the style in the second half to ease past Bolton and end a winless run of five games.
Napoli out-gunned Chelsea to heap more pressure on Andre Villas-Boas and secure a healthy lead in an absorbing Champions League last-16 first leg.
Further pressure was heaped on Chelsea manager Andre Villas-Boas as his side were held to a draw by Birmingham in their fifth round FA Cup tie.
Chelsea's poor recent record against Everton continued as the Toffees eased to victory with a sparkling display.