Seattle Mariners relief pitcher Diego Castillo lost his salary arbitration case against the team on Wednesday, according to a source. Castillo will make $2.95 million in 2023, instead of the $3.225 million he filed for. In his first full season with the Mariners in 2022, Castillo went 7-3 with a 3.64 ERA (3.68 FIP), 1.14 WHIP, seven saves, 22 walks and 53 strikeouts in 54 1/3 relief innings over 59 appearances out of the bullpen. The 29-year-old right-hander could see a handful of save chances ...