Orioles pitcher George Zuverink and catcher Frank Zupo form the first “Z” battery in major league history as the Yankees beat the Birds, 3 – 2.

On july 1, 1957 Orioles pitcher George Zuverink and catcher Frank Zupo form the first “Z” battery in major league history as the Yankees beat the Birds, 3 – 2.

Source
Baseball Reference July 1