BASKETBALL
NBA When Basketball Became a Professional Sport Basketball was brought up in 1891. ... Shortly after W WI, the Original Celtics were “revolutionized” basketball with six players. ... The Globetrotters revolutionized basketball themselves with an all black team. ... Shortly after WWII, there came another pro league called the Basketball Association of America.(BAA) They later pulled players from the National Basketball Lea.I AM ALL DONE SHIT NBA When Basketball Became a Professional Sport Basketball was brought up in 1891.