Gray delivers 7 scoreless in Sox’s win after receiving extra rest

BALTIMORE — During his designated rest period, which totaled nine days before he toed the rubber again for the Red Sox Saturday night at Camden Yards, Sonny Gray was asked if overall body fatigue was the reason he was essentially skipping a start amid one of the best seasons of his career. “I think it’s probably what you call a 36-year-old that has been pitching on five or six days’ rest all year,” Gray said on Aug. 31, “and just taking three days to fully recover, then line up the rest of September and the rest of the year, and…