Seattle Mariners relief pitcher Diego Castillo pitched against the Tampa Bay Rays for the first time since being traded away Tuesday, and he walked one and struck out one in an inning of work en route to his 15th save of the season. Castillo has enjoyed an excellent year, with a 2.82 ERA, 0.99 WHIP, and 50 strikeouts in 38 1/3 innings. With Paul Sewald entering before Castillo in the eighth inning, Castillo appears to be the locked-in closer for Seattle. That affords him plenty of fantasy ...