Matthews (9-9) picked up the loss after allowing four runs on four hits and one walk over five innings against the White Sox on Friday. He struck out four.
Matthews was burned by the long ball Friday, tying his season high in homers allowed with three. The 26-year-old gave up solo shots to Miguel Vargas and Braden Montgomery, and yielded a two-run homer to Colson Montgomery in the fourth. Matthews now owns a 4.69 ERA, 1.25 WHIP and 97:33 K:BB over 117 innings this season. The right-hander is scheduled to make his next start Friday against Cleveland.