West Ham starting line-up: Howes, Knoyle, Page, Dobson, Chambers, Oxford, Parfitt-Williams, Cullen, Gordon, Browne, Samuelsen.
West Ham substitutes: J.Brown, T.Brown, Pike, Makasi, Onariase.
West Brom starting line-up: Rose, Gamboa, Fitzwater, Donnellan, Ezewele, Field, S.Nabi, Cleet, Gnabry, Campbell, Berahino.
West Brom substitutes: McCourt, Palmer, Leko, Roberts, Elbouzadi.
The Hammers first team drew 0-0 at Manchester United on Saturday, and now some of their young players are looking to make an impression on manager Slaven Bilic tonight.
Teenage midfielder Reece Oxford starts and will captain the side against West Brom, whilst there is also a place in the side for Martin Samuelsen.
The Norwegian forward is currently on loan at League One side Peterborough United, but has been given permission to play tonight as the ex-Manchester City youngster makes his return to the West Ham Under-21 side.
Meanwhile, West Brom hand a start to Costa Rican World Cup star Cristian Gamboa, as well as Arsenal loanee Serge Gnabry out wide.
Tonight, he will be looking to prove his form and fitness to Pulis, as he leads the line against West Ham Under-21's this evening.