Beltre drove in two runs for the Mariners, who won their fifth consecutive game to hold the American League wild card lead. Jose Vidro added three hits, an RBI and a run
Jarod Washburn (9-10) allowed two runs on five hits in six innings to earn the win.
Michael Cuddyer had two RBI for the Twins, who have lost three of four games.
Scott Baker (6-6) allowed three runs on 14 hits in 6 2/3 innings.