Cubs historical sleuthing: New York Giants edition

Bettman Archive Al Yellon created Bleed Cubbie Blue and has been its managing editor since 2005. His latest book about the Cubs is "Chicago Cubs Firsts." Find him on Bluesky at @bleedcubbieblue.bsky.social

Getty Images says about this photo:

Felicitations are in order for Hank Thompson and he gets the glad hand from Dave Williams, left, and Willie Mays after crossing the plate on his two-run homer. Action in the third inning of first game between N.Y. Giants and Chicago Cubs at the Polo Grounds today. Back to camera, the batboy comes it to add his congratulations.

Comes “in,” I think, but you get the idea.

As it turns out, the one Cub in this photo, the catcher wearing No. 25, is the key clue…