Jermaine Beckford scored an impressive solo goal to give 10-man Everton victory over lacklustre Chelsea.
Steven Taylor's stoppage-time header handed Newcastle a point against Chelsea at Stamford Bridge.
Manchester United need only a point at Blackburn on Saturday to win their 19th league title after beating Chelsea.
Controversial goals from Frank Lampard and Salomon Kalou - in the last minute - kept alive Chelsea's hopes of catching leaders Manchester United.
Fernando Torres finally broke his goal drought as Chelsea beat West Ham to maintain their title push and leave the Hammers bottom of the Premier League.
Chelsea leapfrogged Arsenal and moved into second place in the Premier League after brushing aside Birmingham.
Didier Drogba showed misfiring Chelsea team-mate Fernando Torres the route to a goal by spearheading a dominant Blues to victory at West Brom.
Goals from Javier Hernandez and Park Ji-sung sent Manchester United through to the Champions League last four at the expense of Chelsea.
Chelsea refused to give up the fight to defend their Premier League trophy with Florent Malouda's half-volley earning them victory against Wigan Athletic.
Wayne Rooney's clinical finish gave Manchester United the upper hand in their Champions League last eight, first leg tie against Chelsea.
Chelsea's slim title hopes all but vanished as Stoke City turned in a barnstorming display to earn a point.
Chelsea leap-frogged lacklustre Manchester City to grab third spot with two late goals securing a deserved win.
Chelsea and Manchester United have been drawn to face each other in the quarter-finals of the Champions League, while Tottenham will play Real Madrid.
Chelsea cruised through to the last eight of the Champions League for the sixth time in eight seasons despite being held at home by Copenhagen.
Two goals from Frank Lampard helped maintain Chelsea's Premier League revival and sent Blackpool tumbling to a second successive defeat.
Frank Lampard's penalty helped Chelsea come from behind to dent 10-man Manchester United's title hopes and keep their own slim chances alive.
Chelsea eased the pressure on manager Carlo Ancelotti as they cruised to a first leg win over Copenhagen in their last 16 Champions League tie.
Everton booked their place in the last 16 of the FA with a dramatic penalty shoot-out victory over Chelsea.
Watch FA Cup fourth-round replay match, Chelsea Vs Everton highlights here.
Chelsea's hopes of reclaiming the title took another blow as Clint Dempsey missed a last-gasp penalty for Fulham.
Watch English Premier League football match, Fulham Vs Chelsea highlights here.
Fernando Torres's first game for Chelsea ended in a defeat by former club Liverpool at Stamford Bridge.
Watch English Premier League football match, Chelsea Vs Liverpool highlights here.