April 18, 1946 - Roosevelt Stadium hosted the Jersey City Giants’ season opener against the Montreal Royals, marking the professional debut of the Royals’ Jackie Robinson and the first time the color barrier had been broken in a game between two minor league clubs.  In his five trips to the plate, Robinson had four hits, including a three-run home run. He also scored four runs, drove in three, and stole two bases in the Royals’ 14–1 victory.
Robinson proceeded to lead the International League that season with a .349 batting average and .985 fielding percentage, and he was named the league’s Most Valuable Player. High-res

April 18, 1946 - Roosevelt Stadium hosted the Jersey City Giants’ season opener against the Montreal Royals, marking the professional debut of the Royals’ Jackie Robinson and the first time the color barrier had been broken in a game between two minor league clubs.  In his five trips to the plate, Robinson had four hits, including a three-run home run. He also scored four runs, drove in three, and stole two bases in the Royals’ 14–1 victory.

Robinson proceeded to lead the International League that season with a .349 batting average and .985 fielding percentage, and he was named the league’s Most Valuable Player.