Blackburn moved out of the relegation zone after edging past Wigan at Ewood Park.
Marvin Emnes struck just before the hour mark for Tony Mowbray’s side to help the hosts go two points clear of Bristol City.
Bristol City 0-0 Burton Albion
Bristol City dropped into the relegation places after failing to beat a resilient Burton Albion at Ashton Gate.
The result sees the Robins drop into 22nd place while Burton stay in 19th.
Derby kept their playoff hopes alive as they edged past Barnsley at Pride Park.
Matthew James gave the visitors the lead before Tom Ince and David Nugent responded for the hosts to secure all three points.