Struggling Wigan breathed life into the Premier League title race with a stunning 1-0 upset of leaders Manchester United as second placed Manchester City romped to a 4-0 win over West Bromwich Albion.
City's emphatic win at Eastlands reduced United's lead at the top to five points with five games remaining, meaning Sir Alex Ferguson's side have little margin for error in their remaining fixtures.
Elsewhere, Arsenal tightened their grip on third place and an automatic Champions League qualifying place with a 3-0 win over bottom club Wolves at Molineux.
The Gunners now have take a five-point lead over fourth-placed Tottenham as Wolves slumped to a seventh straight defeat that leaves them nine points from safety.
Meanwhile Queens Park Rangers moved themselves out of the relegation zone with a 3-nil win over Swansea.