One change for League Two clash
Matt Clarke returns to the Pompey side at league leaders Northampton this afternoon.
The teenager replaces the injured Christian Burgess in the only change from the side that convincingly beat Hartlepool last week.
Former Blues winger Ricky Holmes is named among the substitutes for the hosts.
Pompey: Murphy; Davies, Webster, Clarke, Stevens; Hollands, Doyle (c); Evans, McNulty, Bennett; Lavery
Subs: Bass, Haunstrup, Barton, Close, Tollitt, McGurk, Chaplin