Jay Emmannuel-Thomas scored two second-half penalties as Gillingham came from behind to draw 3-3 against Chesterfield.
Leaders Scunthorpe cruised to a 4-1 win at lowly Walsall, while Bury kept pace and Sheffield United's run continued.
Scroll down to see goals and highlights from all of Tuesday night's games in Sky Bet League One.
Team news for Tuesday night's Sky Bet League One clash between Chesterfield and Gillingham.
Scunthorpe remain top of Sky Bet League One after a 2-2 draw against 10-man Sheffield United, while Bury are up to second place.
See all the goals and highlights from all of Saturday's Sky Bet League One games right here.
Tom Pope claimed a late winner to give in-form Bury a 2-1 home victory against Chesterfield in Sky Bet League One.
Team news for Saturday's Sky Bet League One clash between Bury and Chesterfield.
Northampton's 31-league game unbeaten run came ended when a Conor Wilkinson double helped Chesterfield to a 3-1 win.
A possible reform of the English Football League structure will not involve the introduction of Premier League B teams.
Chesterfield will check on the fitness of a handful of players ahead of Northampton's visit to the Proact Stadium.
Overnight leaders Bolton slipped up at 10-man Walsall, while David Mirfin's header hoisted Scunthorpe to the top of League One.
League One leaders Bolton were held to a 1-1 draw by MK Dons to leave them four games without a win in all competitions.
See all the goals from Saturday's Sky Bet League One games...
Chesterfield halted a run of three straight Sky Bet League One defeats with a 0-0 draw at Oldham.
Team news for Saturday's Sky Bet League One clash between Oldham and Chesterfield.
Dom Poleon's last-gasp goal secured AFC Wimbledon their first-ever Sky Bet League One victory as they beat Chesterfield 2-1.
Phil Brown's Southend United battled hard for a point at table toppers Bolton in Sky Bet League One on Saturday.
Watch all the goals and highlights from Saturday's games in Sky Bet League One.