At age 63, Arthur Irwin, pioneer player, manager, and executive who began in the National League in 1880, jumps to his death from a ship in the Atlantic Ocean.

On July 16, 1921 At age 63, Arthur Irwin, pioneer player, manager, and executive who began in the National League in 1880, jumps to his death from a ship in the Atlantic Ocean.

Source
Baseball Reference July 16