Diouf boost for Leeds
Leeds will be boosted by the return of striker El-Hadji Diouf for the home game with Peterborough.
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Diouf missed the weekend draw at Crystal Palace through illness and is likely to return to the substitutes' bench.
Boss Neil Warnock could name an unchanged starting line-up for the sixth successive game with Steve Morison set to resume up front alongside Ross McCormack.
Warnock has no new injury or suspension problems as Leeds look to extend their unbeaten league run to six matches.
Midfielders Rudy Austin and Michael Brown, winger Ryan Hall, defenders Aidy White and Jason Pearce, plus striker Habib Habibou are all pushing for places in the starting XI, but will have to be patient as Warnock sticks with a settled side.
Peterborough travel with an unchanged squad.
That means on-loan trio Davide Petrucci (hamstring), Alex Pritchard (ankle) and Scott Wootton, who will miss the remainder of the season with a hamstring injury, and long-term absentee Peter Grant (knee) remain on the sidelines.
However, Posh boss Darren Ferguson does have options should he wish to make any changes to his starting line-up at Elland Road.
The fit-again Kgosi Ntlhe, fellow defenders Craig Alcock and Shaun Brisley, midfielders Joe Newell and Kane Ferdinand and striker Tyrone Barnett were all on the bench for Saturday's goalless home draw with fellow strugglers Ipswich.
Victory in West Yorkshire will see Peterborough climb out of the relegation zone, and Ferguson said: "That is a big incentive for everyone at the football club.
"I am looking forward to it, the players are looking forward it and it should be a cracking game.
"It is a big pitch and we have done well away from home this season with excellent wins at Cardiff, Hull, Blackburn and, of course, the recent win at Millwall.
"It is the business end of the season now and we have the character in the dressing room to be up for the challenge."