Team news from Kenilworth Road
Jayden Stockley makes his first league start for Pompey at Luton this afternoon.
The striker replaces Matt Tubbs in the only change from the side that drew with Morecambe last weekend.
Enda Stevens returns from a one-match ban to start at left-back.
Pompey: Murphy; Davies, Burgess, Clarke, Stevens; Atangana, Doyle (c); Evans, Roberts, Bennett; Stockley
Subs: Jones, Webster, Haunstrup, Hollands, McGurk, Chaplin, Tubbs