[justiceseeker93]

He is one of only about two million people who recall going to Polo Grounds, and listening to game from the elevated train station.

Couldn't have done that because the train station serving the PG was NOT elevated. It was underground, a subway, so he couldn't get any reception on a radio there. Also, it was fairly cumbersome to take a portable radio with you on a train then, because small transistor radios were still a few years away in 1951.

[Lonesome in Massachussets]

I am going by second hand recollection. If you stand outside a major league stadium you can hear a lot of cheering, and the crowd outside relays accounts, perhaps from the cabbie’s radios.