The Mariners plan to select right-hander to start tomorrow evenings game against the Giants, the club informed reporters ( Adam Jude of The Seattle Times). As Jude notes, itll be the second straight Mariners game started by a Luis Castillo. Seattles veteran right-hander of the same name to sed seven innings in yesterdays win over Detroit. Luis F. Castillo will be making his first Bligh Madris Jersey major league start. The 30-year-old has three MLB relief appearances under his belt. Those came with the 2022 Tigers, for whom he to sed 3 2/3 scorele s innings with four strikeouts. Detroit sent him through outright waivers at the end of that season. Castillo signed with the Chiba Lotte Marines of Japans Nippon Profe sional Baseball the following offseason. After turning in a 3.12 ERA acro s 49 innings for the Marines, Castillo moved to the Orix Buffaloes. He fired 94 1/3 innings of 2.96 ERA ball despite a pedestrian 19.6% strikeout rate. Castillo showed fantastic control, though, walking fewer than 5% of batters faced for the second consecutive season. The Dominican-born pitcher returned to the affiliated ranks last offseason, joining the Mariners on a minor league contract in January. Castillo pitched five innings of three-run ball acro s three appearances in Spring Training. He worked 5 2/3 frames in his first Triple-A start on Sunday, allowing one run on two hits and a pair of walks. Seattle will bring him up for at least a spot start as the fifth spot in their rotation comes around. got that job out of Spring Training because of the injury, but the former sixth overall pick couldnt escape the first inning in his season debut. Seattle optioned him out a few days later. The Mariners announced this afternoon that they reinstated from the paternity list. They optioned and swingman to Triple-A Tacoma. Castillo will take Dazs active roster spot. The 40-man roster is at capacity, so theyll need to make another move in that regard tomorrow. Ty Madden Jersey