It's not a meaningful question - many of the players who played in 1871 (the first year of the National Association) had been signed to their teams for a few years before the NA was formed.
becoming the first black player in the major leagues
Jackie Robinson is the first African America to play in the majors.
Becoming the first black player in the major leagues- Apex
Because he was the first African American player in baseball history
The first player from the negro leagues to play major league baseball was back in 1947 by Jackie Robinson.
He was a very good baseball player and the first to break the color barrier in professional baseball. Prior to his contract, there were separate leagues.
Who was the second black player to play in the modern major leagues and the first to do so in the American League?
JACKIE ROBINSONSigned by the Brooklyn Dodgers in 1947 Jackie Robinson became the first African-American baseball player to play in both the National League, and Major League baseball. Larry Doby was he first African-American player to play in the American League, signed by the Cleveland Indians eleven weeks after Jackie Robinson was signed. you are right
Jackie Robinson played for the Negro League, but on April 15, 1947, was called to play in the big leagues, making him the first black big league baseball player.
He was the first African American Professional Baseball player and he broke the color barrier for baseball.
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Jackie Robinson was a Major League Baseball player who played 2nd base for the Brooklyn Dodgers. He is famous because in April of 1947, he broke baseball's color barrier by becoming the first ever African American to play in a Major League Baseball game for a Major League Baseball team.