Rochdale triumphed 3-1 at Spotland thanks to goals from Michael Rose, Ian Henderson and Peter Vincenti while Kevin van Veen netted for Scunthorpe.
Barnsley scored with their first attack when Kane Hemmings got on the end of a Milan Lalkovic cross to poke the Tykes into a 12th minute lead which Oldham never pegged back.
Oldham scored two goals in two first-half minutes as they eased to a comfortable and well-deserved 3-0 win at home to Notts County.
Alive and kicking: Oldham ready to move on up League One table with run of success, says manager Johnson
Oldham Athletic manager Lee Johnson believes his side are ready to ‘kick on’ up the League Two table when they travel to face Notts County at the weekend – after going on a five game unbeaten run.
Kevin Blackwell stunned by ‘fantastic’ Bury win at Swindon Town – but Notts County thrashing still stings
Skipper Steven Schumacher grabbed all-important goal
The Shakers travel to Swindon Town tonight
The Shakers are in relegation and financial trouble
Bury travel to Meadow Lane for televised match on Sky
Paul Dickov’s managerial debut not disastrous but Oldham Athletic now fear relegation despite cup success
View on Dickov departure from Oldham fan
Plucky Kevin Blackwell ‘will never throw in towel’ and vows to keeping fighting for Bury’s league future
Shakers are winless in 12 games
Former Everton man Carl Regan joins Bury.