Simon Sluga returns in goal after his Euro 2020 adventure with Croatia, whilst captain Sonny Bradley slots in at centre-back alongside summer signing Reece Burke.

The bench includes left-back Reece Hutchinson, who is on trial with the club after leaving Burton Albion this summer.

Hatters: 1 Sluga; 2 Bree, 16 Burke, 5 Bradley, 3 Potts; 6 Rea, 22 Campbell, 18 Clark; 7 Cornick, 8 Onyedinma, 11 Adebayo

Substitutes: 4 Naismith, 14 Mendes Gomes, 17 Mpanzu, 19 Pereira, 20 Kioso, 23 Hutchinson, 24 Osho, 27 Beckwith, 36 Shea, 40 Isted

Portsmouth: Bass; Freeman, Robertson, Raggett, Brown; Williams, Tunnicliffe, Harness, Ahadme, Curtis; Marquis

Substitutes: Bazunu, Johnson, Mnoga, Jacobs, Hackett-Fairchild, Reid, Harrison