Carlos Correa keyed a seven-run fourth inning with a three-run home run as the Houston Astros rolled to a 12-1 victory over the Texas Rangers on Thursday in Arlington, Texas.Houston (86-60) earned three wins in the four-game series.The Astros sent 11 batters to the plate while producing their highest-scoring inning of the season. Alex Bregman finished the night with four RBIs, and Houston’s Chas McCormick hit a two-run homer in the eighth inning.Houston broke through in the fourth against Rangers rookie right-hander Glenn Otto (0-2), who twirled five shutout innings at the Astros during his major league debut on Aug. 27.Otto blanked the Astros for the first three innings of his second start against them. In the fourth, Correa followed a leadoff single by Yuli Gurriel and a double from Kyle Tucker with a 442-foot blast to center field that spotted the Astros a 3-0 lead. It was Correa’s 23rd homer of the year.The Astros piled on from there, working three consecutive one-out walks to load the bases against Otto before Bregman delivered a two-run single. Yordan Alvarez followed with a run-scoring double that pushed the advantage to 6-0 and chased Otto.Otto yielded seven runs on seven hits and four walks with three strikeouts over 3 1/3 innings.Gurriel capped the outburst with a bloop single to center that scored Bregman, who added a two-run single in the sixth.