Answer: bteams

AnswerCrossword Clue
BTEAMSSecond-string squads
BTEAMSReplacements for starters
BTEAMSSquads of subs
BTEAMSSub squads
BTEAMSSub groups
BTEAMSSecond-stringers
BTEAMSGroups that never get started
BTEAMSThey're brought in for starters