Kearns is nursing a knock but the midfielder is likely to be fit, meaning Posh will be at full strength as Tommy Rowe returned from an ankle injury against Bristol City last weekend and Joe Newell no longer has a broken hand.
After a 3-0 win at Ashton Gate, manager Darren Ferguson must decide whether to stick with the same starting XI or make one or two changes with the likes of Gabriel Zakuani and Grant McCann waiting in the wings for a recall.
Saturday sees the first meeting between Peterborough and MK Dons since May 2011 when Posh edged a thrilling League One play-off semi-final 4-3 on aggregate.
- Sports & Recreation
- Joe Newell
- Darren Ferguson