Friday 28 August 2015 13:45, UK
Luton are still without defender Dan Potts and midfielder Nathan Doyle for their home game against Portsmouth in Sky Bet League Two this weekend.
The pair have both been sidelined with hamstring injuries but are making good progress and could be back in around 10 days.
Welsh midfielder Alex Lawless should be available after missing Tuesday's eventful Capital One Cup tie against Premier League Stoke through illness, but new loan signing Oliver Lee will sit out after playing all 120 minutes.
Defender Magnus Okuonghae is nearing full fitness and will step up his recovery by playing for development squad next week.
Pompey, unbeaten in the league, will hope to get back to winning ways after successive draws were followed by a first loss of the season against Reading in the cup in midweek.
Full-back Enda Stevens is available again after serving a one-match suspension.
Utility player Ben Davies could come back into contention after being rested against the Royals with a leg injury.
Scottish midfielder Kai Naismith is yet to feature this season because of a thigh problem.