If you do not count the Negro League, the first non-white major league player was the great Jackie Robinson.
The first latin major league baseball player was Louis Castro.
The first Player to defeat all 30 major league teams is AL LEITER.
Moses Fleetwood "Fleet" Walker was the first major league baseball player. I thought it was another guy, but oh well. -Anonymous Quo
Who was the second black player to play in the modern major leagues and the first to do so in the American League?