CHICAGO (Interstat) — The Chicago White Sox erupted for nine runs over the final three innings Sunday afternoon to rout the Houston Astros 12-3 at Guaranteed Rate Field, salvaging the finale of a three-game weekend series.

The White Sox snapped a two-game skid against the Astros, who had taken the first two games of the set by scores of 9-5 and 4-1. Chicago improved to 55-49, while Houston fell to 52-55.

Sean Newcomb earned the win in relief, his first decision of the season against two losses. Ronel Blanco took the loss, his first in as many decisions, after allowing five earned runs over 5 1/3 innings.

The game was tied 3-3 after five innings before the White Sox seized control in the sixth. With one out, Sam Antonacci doubled and scored on a two-run homer by Miguel Vargas, his 22nd of the season, giving Chicago a 5-3 lead. Vargas’ blast came off Blanco, who was then lifted for Enyel De Los Santos.

Chicago added four more runs in the seventh, chasing reliever Bryan King. Chase Meidroth led off with a solo home run, his eighth. After singles by Luisangel Acuña and Drew Romo, Randal Grichuk singled to load the bases. Munetaka Murakami then singled to center, driving in two runs for an 8-3 lead. Andrew Benintendi added an RBI single later in the inning to push the advantage to 9-3.

The White Sox capped the scoring in the eighth with three runs, including a two-run homer by Junior Perez, his third, and a solo shot by Murakami, his 22nd, to make it 12-3.

Houston’s offense was limited to two home runs by shortstop Jeremy Peña. Peña led off the game with a solo shot to left, his 10th, and added another solo homer in the third, his 11th, to tie the game at 2-2. Taylor Trammell also homered for the Astros, a solo blast in the fifth that tied the game at 3-3. Peña finished 2-for-4 with two RBIs. Trammell went 2-for-4 with a homer and an RBI. Nick Allen had a pinch-hit single in the ninth.

Chicago’s pitching staff held the Astros to seven hits, with starter Erick Fedde allowing three runs over five innings. Newcomb worked the sixth and seventh innings, allowing no runs while striking out two.

Attendance was 32,581, and the game lasted 2 hours, 44 minutes.

The White Sox will host the New York Yankees on Monday to begin a four-game series. The Astros travel to face the Los Angeles Angels.

Interstat’s game simulator projected a final score of Chicago 7, Houston 5. The Astros were installed as a pregame favorite with a spread of minus-1.5. The total of 15 runs went under the over-under line of 9.5.