"The King of Tennis" Roger Federer has won the Miami Open.... adding another major title to his already enormous haul.<br />On Sunday,... the Swiss legend beat last year's Miami Open champion, America's John Isner,.... by two sets to love in the men's single final -- 6-1, 6-4 -- to walk away with his one-hundred-first career title. <br />It's the fourth time Federer has won the Miami Open.... and this title win moves him up one spot to number four in the world.<br />He'll be in action again next month for the 2019 Madrid Open. <br />