Gabriel Martinelli’s hat-trick gave Arsenal a 4-1 win at Portsmouth in their third round tie. Daniel Harris was watching that game.
Kobbie Mainoo starts for the first time since the Carabao Cup defeat to Grimsby in August. He replaces Casemiro in one of three changes from Man Utd’s draw at Burnley. Mason Mount and Leny Yoro come in for Luke Shaw and Ayden Heaven, with Patrick Dorgu moving from right wing to left-back. Darren Fletcher’s sons, Jack and Tyler, are on the bench.
Brighton manager Fabian Hurzeler has gone Full Rotation by changing more than half the team that drew away to Manchester City. Jason Steele, Diego Coppola, Olivier Boscagli, Joel Veltman, Brajan Gruda and Danny Welbeck replace Bart Verbruggen, Jan Paul van Hecke, Lewis Dunk, Maxim De Cuyper, Yasin Ayari and Kaoru Mitoma.
Man Utd (poss 4-2-3-1) Lammens; Dalot, Yoro, Martinez, Dorgu; Ugarte, Mainoo; Mount, Fernandes, Cunha; Sesko.
Subs: Bayindir, Heaven, Maguire, Malacia, Casemiro, J Fletcher, T Fletcher, Lacey, Zirkzee.
