The top two both lost in the Sky Bet Championship on Saturday as Derby County and Middlesbrough were defeated 2-0, by Fulham and Sheffield Wednesday respectively.
Steve McClaren's side went behind to first-half goals from Nikolay Bodurov and Cauley Woodrow at Craven Cottage and never recovered, while Middlesbrough lost by the same 2-0 scoreline at Wednesday.Boro slipped to a second defeat in their last three league games as the Owls struck twice in as many minutes early in the second half at Hillsborough through Atdhe Nuhiu's penalty and Will Keane's header.
Watford reaffirmed their automatic Sky Bet Championship promotion hopes by hitting back from two goals down to condemn Leeds United to a second successive league defeat.
Billy Sharp struck an early opener for Leeds on his return to the side and Rudy Austin added a second, but Troy Deeney reduced the deficit shortly before the interval and Matej Vydra fired his ninth and 10th goals of the season as Watford won 3-2 to climb within three points of table-toppers Derby.
Nottingham Forest are still unbeaten under manager Dougie Freedman after a 3-0 win at Reading, where second-half goals from Ben Osborn, Matty Fryatt and Gary Gardner clinched a third straight league victory.
Bournemouth were unable to capitalise on their promotion rivals' slip-ups as they were held to a goalless home draw by Blackburn Rovers after kick-off had been delayed 30 minutes due to traffic congestion that had held up the visitors' team coach.
Huddersfield Town manager Chris Powell made an unhappy first return to former club Charlton Athletic, where goals from Johann Berg Gudmundsson and Tony Watt, who struck twice, secured the home side a comfortable 3-0 win.
Brentford defender James Tarkowski's own goal was enough to seal victory for Birmingham City at St Andrew's.
Bakary Sako struck his 12th goal of the season and the only goal of the game as Wolves maintained their Play-Off chase with a 1-0 win at Cardiff City and Zach Clough's solitary strike clinched Bolton Wanderers a 1-0 home win against Brighton & Hove Albion.
Kari Arnason headed an 85th-minute winner for Rotherham United after Danny Ward had cancelled out Martyn Woolford's opener for Millwall in a 2-1 home win for the Millers.
Wigan Athletic clinched their first league win in 11 games as Bo-Kyung Kim and Harry Maguire both scored their first goals for the club. James McClean added a late third to condemn bottom club Blackpool to a 3-1 home defeat. Gary Madine scored the hosts' late consolation.