Gomes became the Premier League's first 2000-born player.
#under23s: Twelve academy players in Man Utd first team vs Palace
Profiles of Gomes, Tuanzebe, Mitchell, Pereira, Harrop, Willock, Dearnley and McTominay.
Seven Man United under-23s player will be involved against Crystal Palace for the first team, revealed José Mourinho.
Tuanzebe impressed on his first start for Man United, keeping Alexis Sanchez quiet from right-back.