Rampant Rochdale took another giant stride towards the League Two title after dealing another hammer-blow to Grimsby's hopes of retaining their Football League status.
Chris Dagnall struck a brilliant hat-trick for the runaway leaders as they eased to a 4-1 victory and maintained their 10-point advantage over second-placed Notts County, who also won.
Joe Thompson opened the scoring for Rochdale in the 17th minute and Dagnall added a second three minutes later. Dagnall made it 3-0 before half-time and although Ashley Chambers reduced the deficit, Dagnall completed his hat-trick in injury time.
Meanwhile County clinched their automatic promotion battle with Rotherham at Meadow Lane with Luke Rodgers crashing the ball home off the underside of the bar to break the deadlock in the last minute.
Their win leap-frogged County over the Millers into second place in the table with two games in hand, while Bournemouth also moved into the top three with a 2-0 win over Accrington Stanley.
Liam Feeney opened the scoring for the Cherries in the 18th minute and Brett Pitman sealed the win on 79. After starting the day in second place, Rotherham now find themselves fourth, two points adrift of the top three.
Scott Donnelly's double helped Aldershot move into the play-off zone with a 2-1 win at fellow contenders Bury. Andy Bishop reduced the deficit for the home side after Shots keeper Mikhael Jamiez-Ruiz was sent off.
Meanwhile, Chesterfield slipped to a surprise 2-1 home defeat to struggling Hereford, Northampton dropped out of the top seven after only managing a 1-1 draw against Lincoln, Dagenham and Redbridge drew at Bradford and Darlington won 2-0 at Shrewsbury.
Elsewhere, Macclesfield claimed a 1-0 win over Cheltenham, Torquay slid to a 2-0 defeat at Morecambe, Barnet and Burton Albion shared the spoils in a 1-1 draw and Shaun Miller's 60th-minute penalty helped Crewe to a 1-0 win at Port Vale.
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