Racon and Bradley also return to side
Ryan Bird starts his first league match for Pompey against Exeter this afternoon.
The striker has been rewarded for his equalising goal at Torquay last week, as he replaces John Marquis up front.
The two other changes see Simon Ferry and Sonny Bradley come in for Johnny Ertl and Shaun Cooper.
David Connolly is named on the bench after recovering from a calf injury.
Pompey: Carson; Moutaouakil, N’Gala, Bradley, Devera; Wallace, Ferry (c), Racon, Holmes; Agyemang, Bird
Subs: Smith, Cooper, East, Ertl, Padovani, Barcham, Connolly