ARLINGTON — Dr. Dre and 1990s rap music blasted through the Astros’ clubhouse. Justin Maxwell took the lead while his teammates filled in, tossing out rhymes as heads nodded and shirt buttons were fastened. The Astros have collected_ just 32 victories in 88 games this season. Saturday’s was one of the sweetest. And it was savored once finally filed away during a nine-inning game that lasted 3 hours, 50 minutes and featured 21 hits, 14 runs, 10 pitchers and the unraveling of Rangers starter Yu Darvish. The Astros downed the in-state rival Rangers for only the second time this year and first since a March 31 season-opener. Everyone from starting [...]