Baseball players do figure into the song, even if the core motivation was the Hooker's Ball. As Ian MacDonald wrote in Uncut, September 1998, "'For The Turnstiles' is about how everybody gets nailed by The Business Of Fame sooner or later, underlined in an extraordinary closing verse in which Young sees all the baseball stars 'left to die on their diamonds' (batting bases) while "in the stands the home crowd scatters for the turnstiles."
MacDonald also describes the song musically as "a primitive back-country moan for banjo, dobro, and steady foot-stomp - skeletal in sound and concept, and unearthly in the harmonies of the title-phrase. A cousin of the kind of thing Ry Cooder was getting into on Boomer's Story."
Johnny Rogan, in The Complete Guide to the Music of Neil Young, supports this interpretation, writing, "Here, Young presents an analogy between baseball players and rock stars as a comment on his own career. This song gets to the heart of the artist's neuroses - how to effect change in the mummifying arena of rock stardom.