activities adaptation amp;recreation analytics athletes base-ball baseball baseballplayers billy-beane biologicalsciences business businessaspects collegesports competition data-analysis economicaspects economics etc game-theory health history innovation ivyleague(footballconference) management market-inefficiencies nutrition oakland-athletics player-evaluation principlesofmanagement recruiting recrutement sabermetrics salaries sports statistics strategy success team-building underdogs unitedstates états-unis