Andrey Rublev stuns Roger Federer in straight sets at Cincinnati Masters

MASON, Ohio — Seven-time champion Roger Federer was ousted from one of his favorite tournaments in only 61 minutes Thursday, falling in straight sets to a 21-year-old qualifier he’d never faced. Andre Rublev — with only one career win over a top-five player to his credit — took advantages of Federer’s numerous mistakes for a…