Nahki Wells snatched a late equaliser to deny League One leaders Leyton Orient at Valley Parade.
Orient edged a point clear at the top with the 1-1 draw at Bradford.
Wolves’ 2-0 home defeat to MK Dons allowed the Brisbane Road men to sneak into the outright lead at the top of the table.
Lloyd James handed Orient a 1-0 lead on the stroke of half-time, only for Bradford to equalise in the 90th minute.
Wells plundered a point for the hosts to stop Orient opening a three-point gap at the top of the league.
Nouha Dicko and Ben Pringle fired Rotherham into a 2-0 lead at Bristol City inside half an hour.
Bobby Reid hit back for the hosts with less than 10 minutes to play, but Rotherham held out for a 2-1 victory that moves them up to sixth.
Jose Baxter’s 67th-minute goal claimed a 1-0 home victory for Sheffield United over Swindon which was enough to carry the Blades two places above the relegation zone.
in League Two, Billy Kee had to rescue a 1-1 draw for Burton against York, and spare team-mate Shane Cansdell-Sherriff’s blushes.
Defender Cansdell-Sherriff put through his own net midway through the first half, and Burton needed Kee to salvage a point with less than 20 minutes to play.