activities africanamericanathletes africanamericangeneralbiography africanamericanregionalhistory africanamericans africanamericansportsbiography americanleague athlete baseball baseballplayer baseballplayers baseballteams basketball basketballplayers biography biologicalsciences business cas casestudies catchers civilrights coaching coaching-philosophies competitive-advantage courage cultureleverschillen defense development discrimin discriminationinsports diversityintheworkplace domination economics evolution football-culture formations game-analysis general hall-of-fame health hero history hockey hockeyplayers hockeyteams humanitarian innovation inspiration instruction latinx leadership legacy legend literary majorleagueteams mentoratdanslesaffaires mentoring mentoringinbusiness mentorschap mid-atlanticstates miscellaneous miscellaneousamericanart miscellaneouschristianlife multiculturalismeenmilieudetravail nationalleague negroleagues northeastern nutrition perseverance philanthropy pitchers pittsburgh-pirates playe player-roles players professionalbasketball puerto-rico recreation reference religiousinspirationforbusiness revolution roberto-clemente soccer socialsciences sportfigures sports statistics strategies style-of-play tactical-systems tactics teams tragedy training vocation world world-series worldcivilization étudesde étudesdecas