Paul Cook is weighing up whether to recall Matt Clarke to his Pompey defence.
The Blues have been brittle at the back in recent weeks and the partnership of Christian Burgess and Tom Davies is under scrutiny.
Davies remains the most likely to drop out should Pompey’s boss opt to make changes.
Elsewhere, Enda Stevens has been handed the all-clear following a hamstring injury scare against Notts County.
It ensures Cook has a fully-fit squad to chose from ahead of the trip to Cambridge United.
Noel Hunt is challenging for a place on the bench.
Cambridge United will hope to welcome back striker George Maris for the visit of Pompey.
Maris has been back in full training for the U’s after being missing since August because of a thigh injury.
Manager Shaun Derry will wait to see if midfielder Medy Elito is fit after six games out with a knee problem.
Luke Berry, who has five goals to his name, misses out after picking up five yellow cards.
Harrison Dunk came off as a precaution in the win against Exeter with a groin injury, but is expected to be available for the game.