A close-range strike from Kevin Davies helped Bolton claim a 1-0 win over West Ham which boosted their hopes of avoiding relegation.
Davies scored the decisive goal at the Reebok Stadium two minutes after the half-time interval to give Wanderers a valuable three points.
Matthew Taylor's inswinging corner from the right was met by Davies who stabbed the ball home from inside the six-yard box as Jonathan Spector impeded West Ham goalkeeper Robert Green.
BOLTON
Remaining games: Middlesbrough (a), Tottenham (a), Sunderland (h), Chelsea (a).
The result means Gary Megson's side remain two points from safety after Birmingham were held to a 1-1 draw at home to Everton.
Joleon Lescott's header had give the Blues the lead in the 78th minute after a scramble inside the penalty area.
But Mauro Zarate came off the bench to curl a free-kick from the edge of the box past goalkeeper Tim Howard and into the top-left corner of the net.
BIRMINGHAM
Remaining games: Aston Villa (a), Liverpool (h), Fulham (a), Blackburn (h).
Goals from Brian McBride and Erik Nevland gave Fulham's faint hopes of beating the drop a lift as they claimed a 2-0 win over fellow strugglers Reading at the Madejski Stadium.
The former United States international broke the deadlock for Roy Hodgson's side with a close-range finish in the 24th minute after latching on to Simon Davies' cross.
Davies was again the supplier in the second minute of injury-time after he picked out Nevland who swept the ball home from inside the box.
READING
Remaining games: Arsenal (a), Wigan (a), Tottenham (h), Derby (a).
FULHAM
Remaining games: Liverpool (h), Man City (a), Birmingham (h), Portsmouth (a).
Darius Vassell scored three minutes from time to give Manchester City a 2-1 win over Sunderland at the Stadium of Light.
Elano had converted a 79th-minute penalty after Nyron Nosworthy had brought down Daniel Sturridge inside the box.
Dean Whitehead equalised in the 82nd minute for the Black Cats but Vassell latched on to a through-ball from Elano before applying a bobbling finish.
SUNDERLAND
Remaining games: Newcastle (a), Boro (h), Bolton (a), Arsenal (h).