Peterborough manager Jim Gannon could have striker Liam Dickinson back in his squad for the visit of Newcastle as they prepare for relegation from the Championship.
The on-loan Brighton forward has missed the last three games with a hamstring injury but could return against the leaders.
A victory for Newcastle coupled with wins for Watford and Sheffield Wednesday would relegate Peterborough back to League One.
Winger Chris Whelpdale could miss the remainder of the campaign after injuring his ankle in the 1-0 defeat to Bristol City last Saturday while on-loan Wolves full-back Mark Little has a hamstring injury.
Record signing Ryan Bennett remains sidelined with his ankle injury while fellow centre-back Craig Morgan is also out with an ankle problem.
Striker Aaron Mclean is sidelined for the rest of the season after having knee surgery last week.
Leading scorer Andy Carroll is a major doubt for Newcastle as they attempt to secure promotion back to the Barclays Premier League.
The 21-year-old damaged an ankle in Monday night's vital 2-0 win over Nottingham Forest and could miss out at London Road.
However, Shola Ameobi, who scored the Magpies' first goal against Forest after replacing the injured Carroll, has suffered no ill-effects and is available.
Midfielder Alan Smith could return after recovering from the ankle problem which has sidelined him since the 2-1 Coca-Cola Championship win at Watford on February 27.
Only defenders Fitz Hall (hamstring) and Steven Taylor (knee) remain unavailable, although Newcastle are yet to confirm whether Taylor is nursing a broken jaw after an alleged training-ground incident.
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