You start out when you play in college in the minor leagues. Then if you're good enough and get noticed, you may get put into the draft of whatever sport. Then, when the draft comes around, if you are picked by a major league team, you are officially in the major leagues. Then you make a lot of money :).
what
major league baseball
Volleyball and Baseball
baseball
Major League Baseball
All kinds of sports are featured on ESPN Sports. Among them are the National Football League games, Major League Baseball, College Football, the National Basketball League and more.
YES
Major League Baseball
3630 professional athletes.
MUSTARD
Major professional sports league, or simply major league, is a term used in the United States and Canada for the highest professional competitions in team sports. The term "major league" was first used in 1921 in reference to Major League Baseball, the top level of professional American baseball.
This is short for "Major League" or professional sports. It can also be short for your major courses in university.