Adrian Mariappa’s last-gasp header denied League One leaders Plymouth victory as Burton grabbed a late point. The defender’s equaliser – just his second goal in English football in nine years – secured a 2-2 draw for the hosts after Plymouth looked to have turned the game around. Bobby Kamwa put the Brewers ahead in the first half, but Ryan Hardie’s penalty and a goal from Norwich loanee Bali Mumba put the visitors in front. Ipswich closed the gap at the top with a 2-0 victory at Exeter. Freddie Ladapo and Marcus Harness struck to give the Tractor Boys a comfortable win, while third-placed Sheffield Wednesday kept in touch as Mark McGuinness’ header was enough to earn a 1-0 home win over Shrewsbury. The gap between the top three and the chasing pack is now nine points after fourth-placed Peterborough lost 1-0 at Bristol Rovers. Scott Sinclair grabbed the winner for the Pirates before Ronnie Edwards was dismissed for the visitors with 15 minutes left. Barnsley moved into the play-off spots after a 3-1 home win over struggling MK Dons, with Adam Phillips and Herbie Kane securing victory for the Tykes. Bolton also climbed into the top six after a dramatic late comeback at Fleetwood. Carlos Mendes Gomes’ classy first-half finish put the hosts in front but they conceded twice in the final five minutes, Conor Bradley tapping in from close range before Oladapo Afolayan won it in stoppage time. Daniel Butterworth’s winner earned all three points for Port Vale as they beat Charlton 1-0. At the bottom of the table, Forest Green earned a morale-boosting 1-1 draw at Oxford after Harry Boyes’ own goal was cancelled out by Jamille Matt. Morecambe lost 2-1 at Lincoln, with Joe Walsh and Ben House on target for the Imps, who climb to ninth. The bottom four, which also includes Burton and MK Dons, all have 14 points each. Harvey Rodgers’ first-half winner gave Accrington a 1-0 win at fellow strugglers Cambridge to open a six-point gap above the relegation zone, while Alfie May’s strike earned Cheltenham a 1-0 victory at home to Wycombe. League Two: Orient extend lead after Beckles winner The league leaders, Leyton Orient, came from behind to claim a 2-1 victory over in-form Stockport. The Hatters took the lead through Myles Hippolyte in the fifth minute but Darren Pratley equalised 15 minutes later and Omar Beckles netted the winner for the visitors midway through the second half. Orient have a five-point cushion over their nearest rivals, Stevenage, who thought they had found a winner at Grimsby through Jake Reeves’ goal 11 minutes from time – but Niall Maher popped up with a last-minute leveller. Northampton boosted their automatic promotion hopes with a 3-1 win at Bradford, taking charge of the game through Mitch Pinnock and Shaun McWilliams in the first half. Barrow climbed above Mark Hughes’ side and into fourth with a 3-1 home win over Hartlepool, who drop back to the bottom of the table. Josh Gordon, Ben Whitfield and Billy Waters got the hosts’ goals inside the first 21 minutes. Carlisle moved into the top six thanks to a 4-1 victory over Salford, with Kristian Dennis on target twice for the visitors. Colchester climbed off the bottom after ending a seven-match winless run in the league with a 3-0 success against Doncaster. Alex Newby and Samson Tovide scored either side of half-time, with Luke Jannant adding a late third. Gillingham are in the bottom two after Priestley Farquharson’s double earned Newport victory. Luke Armstrong struck twice for Harrogate in a 3-0 victory over Mansfield, while Ayoub Assal scored his seventh goal in eight matches as Wimbledon beat 10-man Tranmere 2-0. Daniel Agyei’s penalty earned Crewe a 1-0 victory at play-off chasers Swindon, while Sutton beat Rochdale by the same score thanks to Will Randall. Danny Johnson grabbed a stoppage-time winner for Walsall in a 2-1 success against Crawley. Dominic Telford put Crawley ahead in the 11th minute but Hayden White quickly equalised before Ludwig Francilette saw red. The visitors held out for most of the second half before Johnson’s late strike.