Steve Cotterill's first game in charge of Notts County resulted in a 5-0 thrashing of nine-man Hereford at Meadow Lane to keep the home side's Coca-Cola League Two play-off push on track.
Craig Westcarr scored a hat-trick, the third coming from a penalty awarded when Hereford goalkeeper Chris Adamson was sent off for a professional foul on Luke Rodgers.
Paul Downing was the second Hereford man dismissed for handling Matt Hamshaw's shot on the line and Rodgers scored from the penalty spot before netting the fifth late on.
Rochdale extended their lead at the top to five points as second-placed Bournemouth lost at play-off hopefuls Shrewsbury.
Third-placed Bury also lost ground as they drew 0-0 at Barnet, while Chesterfield lie fourth despite a 1-0 home defeat by Aldershot, who are three points off the play-offs thanks to Danny Hylton's solitary strike.
Rotherham are a point behind Chesterfield after Adam Le Fondre scored the only goal at Burton.
Northampton are on the edge of the play-offs as goals from Adebayo Akinfenwa (52) and Seb Harris (85) secured a 2-1 win against Cheltenham, whose goal came from Marley Watkins (78).
Dagenham & Redbridge are, like Northampton, on 49 points as goals from Josh Scott and Danny Green earned a 2-0 win over strugglers Grimsby, who stay in the bottom two.
Morecambe remain in the play-off hunt after a 1-0 win over Port Vale, with the goal coming from Phil Jevons and Torquay eased their relegation worries with a 2-1 win over Accrington.
Lincoln also took advantage of the bottom two losing as they picked up a point at home to Crewe, Davide Somma scoring for the home side before Shaun Miller ensured the points were shared. Bradford's James Henson scored the only goal against bottom side Darlington.
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