BIOGRAPHY
Diego Castillo was born January 18, 1994, in Cabrera, Dominican Republic. He is a pitcher in the MLB.
Castillo was promoted to the Tampa Bay Rays and made his debut on June 6, 2018. For the season, he split time between the bullpen and being one of the Rays' "opening" starters. Castillo threw 56 2⁄3 innings over 43 games, going 4-2 over 11 starts. He finished the year with a 3.18 ERA, 65 strikeouts and 18 walks.
In 2019, Castillo was used as both a closer and opener. On June 23, he was put on the 10-day injured list with shoulder inflation. He finished the season appearing in 65 games (6 starts). In 68 2⁄3 innings, he recorded 81 strikeouts, 8 saves, and an ERA of 3.41. In the postseason, Castillo threw 2 shutout innings in the American League Wild Card victory the Oakland Athletics. He threw 3 2/3 innings over three games (one start) in the American League Division Series.
In 2020, Castillo was moved away from the opener role. On July 24, he went on paternity leave. Castillo collected 4 saves over 22 games, posting an ERA of 1.66 with 23 strikeouts and 11 walks. In the postseason, he was used in late innings consistently when the Rays had the lead. He pitched the final two innings of Game 5 of the ALDS against the New York Yankees, picking up the win after Mike Brosseau's 8th inning home run. In the American League Championship Series against the Astros, Castillo appeared in 7 games, going 1–0 with 2 saves and 2 holds. The first run he allowed was in Game 6.
On July 29, 2021, the Rays traded Castillo to the Seattle Mariners for J. T. Chargois and Austin Shenton.
