Bello (11-6) took the loss Friday, giving up five runs on seven hits and four walks over 5.1 innings as the Red Sox were downed 12-2 by the Diamondbacks. He struck out two.
Bello was tagged for five or more runs for the sixth time this season, ending a strong stretch that saw the right-hander post a 3.57 ERA and five quality starts in his prior seven outings. Bello had gone 10 straight starts without a loss before Friday, and he'll take a 4.95 ERA into his next start.