DETROIT (AP) — Michael Lorenzen had a season-high seven strikeouts in six innings, Spencer Torkelson doubled twice and the Detroit Tigers beat the slumping Pittsburgh Pirates 4-0 on Tuesday night. Lorenzen (2-2) gave up five hits and two walks and has allowed just two runs in his last three starts. Will Vest worked two scoreless innings, with three strikeouts, and Jose Cisnero pitched the ninth. Torkelson scored and knocked in another run. Riley Greene had three hits. Shut out for the second time in three games, Pittsburgh has lost 12 of 14 games while scoring just 22 runs. Luis Ortiz (0-2) allowed four runs, three earned, and seven hits in three-plus innings.