It is not mandatory, but it definitely increases your chances of getting noticed by scouts.
1977
a player can be as young as 16.
Jackie Robinson
Jackie Robinsonwas interested in join the major league baseball
Jackie Robinsonwas interested in join the Major League Baseball
The first season of the Seattle Mariners was 1977.
Jackie Robinson made his Major League debut with the Brooklyn Dodgers on April 15, 1947.
It would be very hard for another entity to join Major League Baseball now that sports organizations are considering dropping teams.
There are 2 Wildcards in Major League Baseball, one in each league. The wildcard team -- the team with the best record that did not win the division -- gets to join the division winners in the postseason.
The Pittsburgh Pirates joined Major League Baseball, or MLB, as part of the National League in 1887. From 1969 to 1993, the Pirates were part of the East Division, and from 1994 onward the team was part of the Central Division.
billy sunday
He did not join this team, but 1 year before his major league baseball debut, he played for the Montreal Royals in 1945