Sporting Life, the U.S.’s oldest baseball publication, begins its 21st year. It will close during World War I.

On March 21, 1903 — 1903 – Sporting Life, the U.S.’s oldest baseball publication, begins its 21st year. It will close during World War I.

Sources –
Baseball Reference March 21
SABR Games Project
National Pastime March 21
Retro Sheet
Replay The Game

Own this Day and Be Part of Baseball History