Grimsby shocked Northampton, Kidderminster eased past Newport while Peterborough smashed Tranmere
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Table-toppers Peterborough secured a third straight League One victory when brushing aside Port Vale 3-1 at London Road.
Goals from Marcus Maddison, Kyle Vassell and Jack Payne put Posh in control of proceedings, before Jordan Slew bagged a late consolation for the visitors.
Bristol City remain just one point off the pace thanks to a 2-0 triumph over Scunthorpe at Ashton Gate, with Aden Flint and Greg Cunningham getting on the scoresheet.
However, Fleetwood tasted defeat for the first time this season when going down 1-0 at Oldham after Jonathan Forte converted a penalty in first-half stoppage time.
Bradford suffered a surprise 3-1 loss at home to Yeovil, with Aaron Martin bagging a brace and AJ Leitch-Smith also netting for the visitors, while the Bantams could only respond through Rory McArdle.
Rochdale secured the most impressive success of the day, though, with Peter Vincenti scoring twice in between Matt Done and Calvin Andrew strikes in a 4-0 romp at Crawley.
Colchester managed to pick up just their second point of the season in a goalless draw at Walsall.
Moses Odubajo's goal earned Leyton Orient a 1-1 draw at Peterborough in the first leg of their Sky Bet League One play-off semi-final, after Britt Assombalonga's 33rd goal of the season gave Posh the lead going into half-time at London Road.
Peterborough have completed the loan signing of Cardiff defender Ben Nugent.
The 20-year-old has been training with Posh this week and, after completing the necessary paperwork and receiving international clearance, goes straight into Darren Ferguson's squad for Friday's night's clash with Walsall.
Conference side Kidderminster will take on Premier League Sunderland in the FA Cup fourth round after they claimed a 3-2 win over Peterborough in their replay at London Road.
Tommy Rowe gave Posh a first-half lead but two goals in four minutes after the break from Michael Gash and Jack Byrne turned the game on its head.
A Britt Assombalonga penalty levelled the scores with 16 minutes to go but parity lasted just two minutes as Joe Lolley grabbed a third for Harriers, who are now the only non-league side left in the competition.
West Ham confirmed they will be signing Peterborough United forward Jaanai Gordon on January 1st.
The teenage striker has been on trial at Upton Park, impressing Sam Allardyce and his staff sufficient to earn a permanent move.
A Coventry fan shows off a Christmas tree onesie before his team's 4-2 win over Peterborough on Sunday.