The term 'B Team' is used to refer to a group of athletes or performers who are not the main team or first-stringers. The crossword solutions REDS (4 letters), METS (4 letters), ASTROS (6 letters), JUNIORVARSITY (13 letters), and SECONDSTRINGERS (15 letters) all refer to teams that are considered B Teams. The REDS, METS, and ASTROS are professional baseball teams, while JUNIORVARSITY and SECONDSTRINGERS refer to amateur teams.