Rochdale stayed on top of the Third Division, despite being held to a 2-2 draw at home to Scunthorpe.
Scott Brough put the Iron in front, Michael Oliver equalised and a Gary Jones penalty gave Dale the lead. But they then had Lee Todd sent off for deliberate handball and Peter Beagrie levelled from the resulting spot kick after 83 minutes.
Rushden & Diamonds' goalkeeper Billy Turley was sent off for the second successive match, received his marching orders after 35 minutes against Leyton Orient.
Having been shown a red card in the Worthington Cup match at Crewe in midweek, he was dismissed for a professional foul which allowed Scott Houghton to score from the spot to add to Jabo Ibehre's opener.
Ritchie Hanlon made it 2-1 with the game's second penalty after 76 minutes but the Diamonds are still waiting for their second League success after winning on the opening day of the season.
Luton Town came from behind to beat York City 2-1 at Bootham Crescent.
Lee Nogan gave the Minstermen the lead after 32 minutes but the Hatters were level before the break thanks to Carl Griffiths. Ian Hillier claimed the winner 16 minutes from time.
Hull maintained their unbeaten record with a 0-0 draw at Macclesfield. Hartlepool ended a run of three successive defeats with a 0-0 draw at Southend, while Kidderminster are without a win in four games after a 0-0 home draw with Plymouth.
Sean McCarthy scored the fastest goal of the day when he netted after 61 seconds against Oxford to put Exeter on the road to their first win of the season.
Jamie Brooks equalised for United but veteran striker Steve Flack restored the lead before Geoff Breslan extended their advantage. Martin Thomas pulled a goal back from the spot.
Carlisle drop to the bottom after losing 2-0 at Cheltenham, Jamie Victory and Neil Grayson from the penalty spot scoring.
Halifax won for the first time in six starts, 2-0 at Swansea, Paul Harsley scoring twice.
Bristol Rovers ended a run of one point from three games with a 1-0 win at Lincoln, Kevin Gall claiming the winner for the Pirates.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article