Norwich City remain top of the Sky Bet Championship following the first of two blockbuster Easter rounds.
Emiliano Buendia’s 17th minute curler put Norwich ahead at Deepdale but Brad Potts’ deflected strike in the 95th minute rescued Preston a point from an eventual late 1-1 draw.
Watford consequently cut their deficit to Norwich down to six points with a narrow home win over second-bottom Sheffield Wednesday, after Tom Lees diverted Ismaila Sarr’s seventh minute cross into his own goal.
Mads Bech Sorensen’s 50th minute header rescued Brentford a point away at Huddersfield to put Thomas Frank’s Bees third, after Mads Roerslev’s slip allowed Lewis O’Brien to fire the Terriers ahead after just seven minutes.
Swansea consequently slipped to fourth after Scott Hogan’s 91st minute penalty gave Birmingham a shock win at St Andrews’ over the Welsh promotion chasers.
Alex Mowatt’s 61st minute penalty following a foul on Callum Styles saw Barnsley stay fifth ahead of sixth-placed Reading, who had taken a first half lead through Ovie Ejaria’s strike from Andy Rinomhota’s long ball.
Down in the relegation zone, Wycombe are nine points off the great escape with seven games left after Fred Onyedinma’s header gave the Chairboys a surprise home win over Blackburn Rovers.
Rotherham sit third-bottom after Jed Wallace’s 64th minute volleyed winner gave Millwall victory over the ten-men Millers, who had Richard Wood sent off eight minutes earlier for a foul on Wallace.
Coventry sit four points above the drop despite suffering a three goal thrashing at QPR, as Chris Willock and Ilias Chair found the net either side of Michael Rose’s headed own goal.
Elsewhere, second half goals from Jefferson Lerma and Dominic Solanke following Duncan Watmore’s cancellation of Phillip Billing’s opener saw Bournemouth defeat Middlesbrough 3-1 to move to within a point of the top six.
Cardiff dropped four points behind Bournemouth after falling to a shock home loss, as James Garner’s 29th minute side-footed volley gave Nottingham Forest victory over the Bluebirds.
Goals from Lee Gregory and Graeme Shinnie gifted Derby victory over Luton to end a seven match winless run for Wayne Rooney’s Rams, which also saw them move eight points clear of the drop.
Finally, Nick Powell’s rebound strike and a sharp free-kick from Steven Fletcher gave Stoke a routine 2-0 away win at Bristol City.