The Society for American Baseball Research is celebrating 50 years through a series of articles celebrating the SABR era, 1971-2020.
Today's article identifies 50 baseball cards--one per year--that tell the story and evolution of the Hobby and the game.
https://sabr.org/50at50/cards
I hope you enjoy the read, and I have no doubt you'll have suggestions for cards we missed along the way.
