Answer: TEAMS

AnswerCrossword Clue
TEAMSTigers and Cubs
TEAMSSome fives, nines, and elevens
TEAMSFantasy football formations
TEAMSLocker room groups
TEAMSThunder and Lightning
TEAMSLions, Tigers and Bears
TEAMSPirates and Penguins
TEAMSBruins and Bears
TEAMSCowboys and Indians, e.g.
TEAMSJets and others
TEAMSRoyals and Giants, e.g.
TEAMSNets and Jets
TEAMSHeat, Magic, et al.
TEAMSLions and Tigers
TEAMSFootball factions
TEAMSGroups of horses
TEAMSMets and Mavericks
TEAMSOrioles and Dodgers
TEAMSBulls and Bears
TEAMSOxen pairs
teamspersons or animals working together
TEAMSCoordinated groups
TEAMSJazz and Blues, but not smooth jazz or jump blues, AFAIK
TEAMSSquads
TEAMSLions and Tigers and Bears
TEAMSLeague components
TEAMSLeague members
TEAMSMeet groups
TEAMSOpposing sides
TEAMSAthletic outfits
TEAMSNines and elevens, in sports
TEAMSCardinals and Blue Jays
TEAMSSides in a game
TEAMSPullers of plows
TEAMSSides
TEAMSRams and Raiders
TEAMSShirts and skins, in gym class
TEAMSShirts and skins, e.g.
TEAMSGridiron groups
TEAMSGroups of athletes