Nottingham Forest left Barnsley fighting for Championship survival as Aitor Karanka's side cruised to a comfortable 3-0 success at the City Ground.
Paul Heckingbottom helped push his old club closer to relegation as his Leeds side beat Barnsley 2-1 at a sun-drenched Elland Road.
Leeds trio Pontus Jansson, Liam Cooper and Adam Forshaw could return to contention for the visit of boss Paul Heckingbottom's former club Barnsley.
Ipswich have installed Bryan Klug as caretaker manager following Mick McCarthy's sudden exit on Tuesday night.
Ipswich skipper Luke Chambers will miss the home game against Barnsley after being ruled out for the rest of the season.
Barnsley gave their survival chances a huge boost with a 3-2 over South Yorkshire rivals Sheffield United at Oakwell.
Barnsley boss Jose Morais could choose from an unchanged squad for the home game against Sheffield United.
Millwall manager Neil Harris was delighted with his side as they comfortably won 2-0 at Barnsley.