Michael Spinks turned professional with a win over Eddie Benson, knocked out in one round on April 17, 1977 in Las Vegas. With that, Spinks began a 31 fight winning streak that would almost extend to the end of his career. After four more wins, Spinks finished '77 with the first fight that began a gradual ascent in opposition quality: an eight-round decision over Gary Summerhays, a popular young boxer of the time. In 1978, Spinks won two fights, including an eight-round decision over former world Middleweight title challenger Tom Bethea, in the same undercard where his brother Leon dethroned Ali as
Michael Spinks and used Spinks's money to pay his and his children's own personal and business expenses. Also name as a defendant was Robert L. Johnson, founder of Black Entertainment Television, head of the real estate firm of RLJ Development LLC, in Bethesda, Maryland, and one of the executors of Lewis's $8.5 million estate. According to Spinks's lawyers, following Lewis's death Johnson and attorney Leonard Williams stopped the payments without telling him, which in turn caused Spinks' health insurance to lapse and bills totaling up to $50,000 a month to go unpaid. "Spinks had to invade his pension and retirement funds and