文档介绍：SPORTS IN AMERICAFocalPointstheAmericanFootballBaseballBasketballothersportsactivitiesSPORTSINAMERICAFOOTBALLSPORTSINAMERICASPORTSINAMERICA3periodsthegameplay:thelastsummer(preseason),thefall(regularseason),andthewinteruntillateinJanuary(post-season,orplayofftime)24teamslocatedfromSeattletoMiami,fromSanDiegotonewengland,24teamsdividedinto2conferences:AFCandNFC