Sox beat Brewers, draw even
After Retherford led off the game with his first postseason roundtripper, Salvador Sanchez walked and Gallagher launched a two-run blast to give the White Sox a 3-0 lead.
Retherford, who led Great Falls with 13 homers during the regular season, is batting .435 with six home runs, 14 RBIs and 13 runs scored during a nine-game hitting streak.
Gallagher went 3-for-5, Christian Marrero stroked a pair of doubles and Greg Paiml chipped in a sacrifice fly in the eighth for the White Sox.
Great Falls starter Juan Moreno (1-0) gave up a run on five hits and a walk while striking out four in six innings. The 20-year-old right-hander went 6-4 with a 2.39 ERA during the season and was 3-0 with a 0.97 ERA in his final six starts.
Leroy Hunt fanned two over three scoreless frames to notch the save.
Jon Lucroy went 2-for-4 with a double and an RBI for the Brewers.
Helena starter R.J. Seidel (0-1) allowed three runs on three hits and four walks with a strikeout in one inning.
The Brewers host the decisive third game on Monday at 9:05 p.m. ET.
Shane Figueroa is a contributor to MLB.com.