reserve team

US /rɪˈzɜːrv tiːm/
UK /rɪˈzɜːrv tiːm/
"reserve team" picture
1.

a team of players who are available to play if needed, but are not part of the main team

:
He was promoted from the reserve team to the first team after an impressive season.
Many young talents start their careers in the reserve team.