Mariners recalled LHP Josh Simpson from Triple-A Tacoma.
Simpson has been an up-and-down middle reliever for Seattle, making three appearances this season at the highest level. The 28-year-old southpaw has compiled a strong 2.08 ERA, 1.11 WHIP and 24/10 K/BB ratio across 21 2/3 innings for Triple-A Tacoma this year.