{"copyright":"Copyright 2026 MLB Advanced Media, L.P.  Use of any content on this page acknowledges agreement to the terms posted here http://gdx.mlb.com/components/copyright.txt","people":[{"id":118743,"fullName":"Mark McGwire","link":"/api/v1/people/118743","firstName":"Mark","lastName":"McGwire","primaryNumber":"25","birthDate":"1963-10-01","currentAge":62,"birthCity":"Pomona","birthStateProvince":"CA","birthCountry":"USA","height":"6' 5\"","weight":250,"active":false,"primaryPosition":{"code":"3","name":"First Base","type":"Infielder","abbreviation":"1B"},"useName":"Mark","useLastName":"McGwire","middleName":"David","boxscoreName":"McGwire","nickName":"Big Mac","gender":"M","isPlayer":true,"isVerified":true,"draftYear":1984,"lastPlayedDate":"2001-10-07","mlbDebutDate":"1986-08-22","batSide":{"code":"R","description":"Right"},"pitchHand":{"code":"R","description":"Right"},"nameFirstLast":"Mark McGwire","nameSlug":"mark-mcgwire-118743","firstLastName":"Mark McGwire","lastFirstName":"McGwire, Mark","lastInitName":"McGwire, M","initLastName":"M McGwire","fullFMLName":"Mark David McGwire","fullLFMName":"McGwire, Mark David","strikeZoneTop":3.433,"strikeZoneBottom":1.733}]}