Julius Winfield Erving II, commonly known by the nickname Dr. J, is a retired American basketball player who helped launch a modern style of play that emphasizes leaping and play above the rim. Erving helped legitimize the American Basketball Association (ABA), and was the best-known player in that league when it merged with the National Basketball Association (NBA) after the 1975–76 season. Erving won three championships, four Most Valuable Player Awards, and three scoring titles with the ABA's Virginia Squires and New York Nets and the NBA's Philadelphia 76ers. He is the fifth-highest scorer in professional basketball history with 30,026 points (NBA and ABA combined). He was well known for slam dunking from the free throw line in Slam Dunk Contests and was the only player voted Most Valuable Player in both the American Basketball Association and the National Basketball Association.