Nineteen-year-old Czech Jakub Mensik beat his childhood idol Novak Djokovic 7-6(4) 7-6(4) in an upset for the ages, claiming his first ATP title at the Miami Open as he denied the former No. 1 his bid for a milestone 100th. The 54th-ranked Mensik faced tough odds in only his second ATP final but harnessed his […]