Mossley overcame Colwyn Bay 2-0 at Seal Park.
Mike Fish poked the ball home to give the Lilywhites a 25th-minute lead, before Mason Duffy placed his shot past Matt Cooper to seal the win.
Ciaran Kilheeney’s late goal could not prevent Droylsden from losing 2-1 to leaders South Shields at the Butcher’s Arms Ground.
Graeme Armstrong was on target from six yards and Dillon Morse headed in as the visitors raced to a 2-0 lead.
Luke Daly’s corner was met by a fine glancing header from Ciaran Kilheeney, but it was too little too late for the MFA side.
Trafford slipped to a 2-1 loss at home to Scarborough Athletic.
The Seadogs went ahead after 41 minutes as James Walshaw rose highest to power his header past Grant Shenton.
An own-goal from Trafford defender Lee Neville ensured that Scarborough doubled their lead three minutes into the second half.
Declan Rydings turned home Laurence Taylor’s cross to give the North a glimmer of hope, but the visitors held out for victory.