Peterborough welcome Marcus Maddison and Michael Bostwick back to the squad for Tuesday's Sky Bet League One derby against Northampton.
The pair missed the 2-0 defeat to Fleetwood on Saturday due to illness but manager Grant McCann has confirmed they have returned to full fitness.
Lee Angol and Brad Inman (both ankle) are still sidelined but McCann is happy with the progress in their recovery.
Jermaine Anderson (anterior cruciate ligament) remains a long-term injury absentee.
Northampton will be without midfielder Jak McCourt as they make the short journey to their rivals at the ABAX Stadium.
The 21-year-old was sent off in their 3-1 loss to Millwall on Saturday for two yellow cards and will miss the trip.
Matt Taylor is also unavailable as he serves the second game of his suspension following his red card against Scunthorpe.
Former Peterborough players Gabriel Zakuani and Harry Beautyman are both expected to line up against their old club.
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