Diego Castillo Bio
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Diego Alejandro Castillo was born on October 28, 1997 in Venezuela.
The New York Yankees signed him as an amateur free agent in 2014. He reached the Double-A level of their system before getting traded to the Pittsburgh Pirates for right handed relief pitcher Clay Holmes at the 2021 trade deadline. Castillo made his Major League debut for the Pirates in 2022, batting .206 with 11 home runs in 96 games that summer. They designated him for assignment after the season.
He spent almost all of 2023 in the Arizona Diamondbacks farm system, playing just one big league game that season. Castillo was a frequent flier on the waiver wire during the off-season, technically spending time with four different organizations before spring training even began. The Minnesota Twins eventually wound up with him.
Castillo spent most of 2024 in Triple-A, batting .272 with five home runs in 71 games for the St. Paul Saints. He did have a four game big league stint for the Twins in July, going 2-for-6 (.333) with two walks and three runs scored. Castillo also drove in two runs.
As of Opening Day in 2025, Castillo is playing in the New York Mets system on a minor league contract.
Notable Events & Trivia
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One of two players named Diego Castillo who played for the Minnesota Twins in 2024
- Never on the active roster at the same time
- No relation
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Twins Minor League Report (9/10): Jenkins' Double-A Debut
The top Minnesota Twins prospect made his debut at a new level, while a couple of affiliate’s players enjoyed their first week off since back in March. The St. Paul Saints got contributions from up and down their lineup against a team fighting for a playoff spot.
Twins Add Familiar Face, Top Prospect, and One Surprising Name as Rosters Expand
This morning, the Twins announced the call-up of three players - Brooks Lee, Michael Helman, and Diego Castillo (the pitcher). What can fans expect regarding their likely roles, and how will they improve the team?
Minor League Report (7/7): An Intimate Afternoon with the St. Paul Saints
Thank goodness it ended up being a good game.
Twins Minor League Report (6/18): Lee's Grand Slam Powers Saints
Even though their game was shortened due to the rain in the Twin Cities Tuesday night, the Saints were able to pull out a victory at CHS Field thanks to the powerful bat of top prospect Brooks Lee. A starter set a career high in strikeouts to lead Cedar Rapids to a series opening victory, and a recent independent league signing also made an impact in his high-A debut.
Ripples: Welcome Back Jay Jackson, and the Yankee Problem
The Twins play an afternoon rubber match Wednesday against the Rockies, and there will be a returning option in the bullpen for Rocco Baldelli. Also, is it time we stopped acting like the Twins' problems with the Yankees are mysterious?
Final: Yankees 9, Twins 5: Paddack Done in Early for Minnesota
You know Chris Paddack wanted to put his last start against the Yankees behind him and bring Texas justice to the Bronx, but a rough first inning had him reeling before he could even settle in on Wednesday night.
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- Twins Minor League Report (9/10): Jenkins' Double-A Debut
- Minor League Report (7/7): An Intimate Afternoon with the St. Paul Saints
- Twins Minor League Report (6/18): Lee's Grand Slam Powers Saints
- Twins Minor League Week in Review (5/20-5/26): Promotion Week for Big Prospects
- Twins Minor League Relief Pitcher of the Month - April 2024
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