San Diego Padres manager Bob Melvin said "it's going to be tough" for third baseman Manny Machado (hand) to return on Friday when he's eligible to come off the 10-day injured list to face the New York Yankees in the Bronx. Machado has already started baseball activities after suffering a small fracture in his left hand when he was hit by a pitch on May 15, but he has yet to face live pitching, which will be his final hurdle. There remains a chance that the 30-year-old All-Star could return this...