Kevin Slowey worked 6 2/3 solid innings in what was Minnesota's second straight victory. The Twins boosted their lead in the American League Central to 2 1/2 games over Detroit.
Mauer singled in Minnesota's first run in the third and Vladimir Guerrero tied it in the fourth with an RBI base hit.
The Twins then loaded the bases with nobody out in the fifth against Colby Lewis (4-3) and Texas conceded a run in order to turn a double play on Mauer's grounder to second.
Texas put its first two batters on base in the seventh without scoring.
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