Today, a consensus of the game’s historians believe a former slave named William Edward White was the first.
White was a fill-in for one game in 1879. But until 2004, when researchers discovered more information about him, no one knew he was black.
Breaking the color barrier is a different kind of accomplishment. Walker lasted nearly a full season — and may have played longer if not for an injury — and endured all the taunts, insults and vulgarities that groundbreaking blacks were subjected to during those times.