Erratic Federer loses to Grigor Dimitrov in U.S. Open quarterfinals
NEW YORK — Betrayed by his forehand, and maybe his body, too, Roger Federer is out of the U.S. Open. Federer gave away a lead against a guy he’d never lost to and was beaten 3-6, 6-4, 3-6, 6-4, 6-2 by 78th-ranked Grigor Dimitrov in the quarterfinals before a stunned...