Jack Midson's last-minute strike gave AFC Wimbledon a thrilling 4-3 victory on Saturday against playoff chasing Cheltenham Town in League Two.
Troy Brown and Jermaine McGlashan had put Cheltenham two up, but three goals in as many minutes from the hosts turned the game on it's head.
Jason Taylor equalised for the visitors, but Midson's late goal snatched all three points for AFC Wimbledon.
Scunthorpe United's hopes of promotion, meanwhile, were given a boost as they beat fellow high-fliers Burton Albion 1-0.
The Iron could even afford to miss a penalty after Paddy Madden had given them the lead with a driven effort.
The win meant that Scunthorpe moved up into second in the table, as Chesterfield could only muster a 0-0 draw against Mansfield in the day's early kickoff.
Exeter City put three past Fleetwood Town in their battle to avoid relegation, while Wycombe suffered a defeat in theirs after succumbing 2-0 to league leaders Rochdale.
Northampton Town are now three points from safety after a 1-1 draw with Morecambe, while Bury and Dagenham & Redbridge also shared the points.
Michael Coulson inflicted more misery on lowly Portsmouth after his first-half strike earned York City the win.
Torquay United, meanwhile, look increasingly certain to be relegated after suffering a 1-0 defeat to Newport County, with Chris Zebroski doing the damage.
Elsewhere, Plymouth Argyle kept up their hopes of making the playoffs by earning a point away at Accrington Stanley.
Reuben Reid opened the scoring for Plymouth before Tom Aldred rescued a point for the hosts.
Results in full: Mansfield 0-0 Chesterfield, Exeter 3-0 Fleetwood Town, Scunthorpe United 1-0 Burton Albion, Wycombe Wanderers 0-2 Rochdale, Morecambe 1-1 Northampton Town, Bury 1-1 Dagenham & Redbridge, Portsmouth 0-1 York City, Torquay United 0-1 Newport County, AFC Wimbledon 4-3 Cheltenham Town, Accrington Stanley 1-1 Plymouth Argyle
