Dennis Arthur Murphy (September 4, 1926 – July 15, 2021) was an American sports entrepreneur who helped co-found the American Basketball Association (1967–1976) (with Gary Davidson), the World Hockey Association (1972–1979), the original World Team Tennis (1973–1978) with Larry King, Roller Hockey International (1992–1999), and several other trend-setting amateur and professional sports concepts and events. Each of his innovations exhibited ground-breaking marketing and promotional tactics, new rules, and a style of play that forced the evolution of the entrenched incumbent. Among the many visionary rules and promotional concepts introduced by Murphy include the 3-point shot (ABA), the Slam-Dunk Contest (ABA), team cheerleaders (ABA), the first $1 million contract (WHA), and he paved the p