He loses his spot on the 40-man roster on the final day of the season and will be a free agent this offseason. Castillo walked more batters (eight) than he struck out (six) in the big leagues this season and last recorded a save in 2022 with Seattle.
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Twins' Diego Castillo: Recalled to Minnesota
Rotowire
The Twins recalled Castillo from Triple-A St. Paul on Saturday.
Castillo has appeared in six games for the Twins this season, surrendering two earned runs across eight innings while striking out four batters and walking seven. He'll now come up from the minor leagues to give Minnesota's bullpen a fresh arm, taking the place of Kody Funderburk, who was optioned to Triple-A.
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Twins' Diego Castillo: Sent down to Triple-A
Rotowire
The Twins optioned Castillo to Triple-A St. Paul on Wednesday.
Just three days after he was added to the Twins' 40-man roster and 28-man active roster, Castillo will head back to the minors to open up a spot for right-hander Louie Varland, who was recalled ahead of an expected bulk-relief appearance Wednesday versus the Rays. During his brief time with the Twins, Castillo made one appearance and struck out a batter in a scoreless inning.
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Twins' Diego Castillo: Moves up to majors
Rotowire
The Twins selected Castillo's contract from Triple-A St. Paul on Sunday.
Castillo had previously given up just two earned runs over seven innings over five appearances out of the Minnesota bullpen earlier this season, but the shiny 2.57 ERA came with an ugly 1.71 WHIP and 3:7 K:BB. He was bumped off the Twins' 40-man roster in June before he elected free agency, only to re-sign with the organization on a minor-league deal in early July. Castillo has continued to show spotty control at St. Paul this season (21 walks in 32.1 innings), so the Twins are unlikely to turn to him for high-leverage work during his latest stint in the big leagues.
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Twins' Diego Castillo: Re-signs with Twins
Rotowire
Castillo signed a minor-league contract with the Twins on Wednesday.
Castillo elected to become a free agent after he was pushed off the Twins' 40-man roster in June, and he will now return to the organization after exploring his options in the open market. The 30-year-old right-hander will report to Triple-A St. Paul, where he's put up a 2.50 ERA and 1.06 WHIP over 18 innings this season.
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Diego Castillo: Becomes free agent
Rotowire
Castillo elected free agency Sunday.
Castillo cleared waivers after the Twins designated him for assignment Wednesday, and rather than sticking around in the Minnesota organization as pitching depth at Triple-A St. Paul, the 30-year-old will look to find work elsewhere. Prior to being pushed off the 40-man roster, Castillo made five relief appearances for Minnesota and gave up two earned runs on five hits and seven walks over seven innings.
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Twins' Diego Castillo: Removed from 40-man roster
Rotowire
The Twins designated Castillo for assignment Wednesday, Do-Hyoung Park of MLB.com reports.
The Twins needed to free up a spot on their 40-man roster for the addition of right-hander Jay Jackson to the bullpen. Castillo had just been sent down to Triple-A St. Paul on Tuesday following a brief stint with the big club in which he allowed two runs with a 3:7 K:BB over seven innings. If Castillo clears waivers, he will have the ability to elect free agency if he chooses to do so.
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Twins' Diego Castillo: Sent to Triple-A
Rotowire
The Twins optioned Castillo to Triple-A St. Paul on Tuesday.
Castillo allowed just two runs over seven relief innings during his brief time with the Twins, but that came with a 3:7 K:BB. The veteran reliever will head back to Triple-A to clear room on the active roster for right-hander Louie Varland, who was called up from St. Paul to make a spot start Tuesday against the Rockies.
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Twins' Diego Castillo: Returned to minors
Rotowire
Castillo will be optioned to Triple-A St. Paul prior to Tuesday's game against the Rockies, Aaron Gleeman of The Athletic reports.
Castillo issued one walk and struck out one in a scoreless frame in Monday's 5-0 win, but he'll be rewarded with a demotion. He'll be sent to the minors with the Twins needing to clear a spot for Louie Varland, who is scheduled to be called up from St. Paul to start Tuesday's game.
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Twins' Diego Castillo: Added to big-league roster
Rotowire
The Twins selected Castillo's contract from Triple-A St. Paul on Tuesday, Aaron Gleeman of The Athletic reports.
Castillo's arrival with the big club was delayed a day by travel issues, but he'll be in its bullpen for Tuesday's contest against the Royals. The 30-year-old right-hander earned a promotion after posting a 2.50 ERA and 22:6 K:BB over 18 innings with St. Paul.
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Twins' Diego Castillo: Will join big-league bullpen
Rotowire
The Twins are slated to call up Castillo from Triple-A St. Paul, Do-Hyoung Park of MLB.com reports.
The plan had been to add Castillo to the roster prior to Monday's game versus the Royals, but travel issues could push the transaction to Tuesday. Castillo, 30, has collected a 2.50 ERA and 22:6 K:BB over 18 innings with St. Paul after inking a minor-league pact with the Twins in late March.
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Twins' Diego Castillo: Inks MiLB deal with Twins
Rotowire
Castillo signed a minor-league contract with the Twins on Saturday.
After being released by the Rangers on Thursday, Castillo was able to quickly find another gig in the bullpen at Triple-A St. Paul. The 30-year-old righty held a 3.12 ERA and 1.08 WHIP through his first five MLB seasons, but he allowed six earned run across 8.2 frames with the Mariners in 2023 and continued to struggle during spring training with the Rangers. Castillo will need to regain command over his pitches in the minors before he has a shot at returning to the big leagues.
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Rangers' Diego Castillo: Signs on with Rangers
Rotowire
Castillo signed a minor-league contract with the Rangers on Dec. 18.
Castillo had a rough 2023 campaign, collecting a 6.23 ERA in eight appearances for the Mariners and a 5.13 ERA and 50:35 K:BB across 47.1 frames at Triple-A Tacoma. Both his velocity and control have trended in the wrong direction in recent seasons. Still, Castillo will turn just 30 next month, and a pitcher with his track record seems worthy of a roll of the dice on a minor-league deal.
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Mariners' Diego Castillo: Strong numbers in minors
Rotowire
Castillo has pitched to a 2-0 record and 1.04 ERA across 8.2 innings over eight appearances for Triple-A Tacoma since being outrighted to the Rainiers on May 1.
The veteran right-hander is still experiencing plenty of trouble with control, however, as he's also issued nine walks. Nevertheless, Castillo has managed to consistently work around his location issues and has given up only one earned run during his time in Tacoma. Although he's currently off the 40-man roster, it certainly wouldn't be inconceivable for Castillo to earn a call back to the big-league club at some point before the conclusion of the regular season.
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Mariners' Diego Castillo: Moved off 40-man roster
Rotowire
The Mariners outrighted Castillo to Triple-A Tacoma on Monday after he cleared waivers.
After he had been one of Seattle's top relievers since he was acquired from the Rays at the 2021 trade deadline, Castillo struggled mightily over the first month of the 2023 campaign, logging a 6.23 ERA, 1.62 WHIP and 7:7 K:BB in 8.2 innings before he was optioned to Triple-A on Saturday. Because Castillo is due $2.95 million in 2023 and has one more year of arbitration remaining, none of MLB's other 29 organizations were willing to put in a waiver claim for the 29-year-old right-hander. Though he no longer possesses a spot on the 40-man roster, Castillo could end up getting another look with the big club this season if he's able to right the ship at Tacoma.
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Mariners' Diego Castillo: Optioned to Triple-A
Rotowire
Castillo was optioned Saturday to Triple-A Tacoma.
Castillo has a lengthy track record of being an effective major-league reliever, but he'll spend some time on the farm after allowing six earned runs on seven hits and seven walks through his first 8.2 innings this season out of the Mariners' bullpen. Easton McGee is up in a corresponding move to start Saturday's game in Toronto.
Mariners' Diego Castillo: Sharp through three appearances
Rotowire
Castillo has allowed an earned run on three hits and generated a 3:0 K:BB over three innings in three Cactus League appearances.
All of Castillo's 20 pitches thus far this spring have found the strike zone, underscoring how sharp the veteran right-hander has been. Castillo proved a versatile asset for both manager Scott Servais and fantasy managers during his first full season in Seattle in 2022, recording seven wins, seven saves and nine holds across 59 appearances while producing a 3.64 ERA and 1.14 WHIP.
