Castillo (3-5) earned the win Wednesday over Houston. He allowed one hit and struck out three in a scoreless inning.
Castillo did his part to keep the game tied at 4-4 in the eighth inning, and Seattle rallied for the lead in the ninth to make him a winner. The right-hander has logged three scoreless innings since he returned from right shoulder inflammation. Castillo owns a 2.77 ERA, 0.97 WHIP and 62:15 K:BB through 48.2 innings this year. He's likely to continue to be in Seattle's closer committee with Paul Sewald and Drew Steckenrider.