José Castillo - MLB News, Rumors, & Updates

Headed to Japan The Chiba Lotte Marines of Nippon Professional Baseball signed Castillo to a contract Monday, the pitcher's agency, OL Baseball Group, reports.

Impact Castillo bounced around to four different teams in 2025, collected a 3.94 ERA and 30:14 K:BB over 32 innings between the Diamondbacks, Mets, Mariners and Orioles. The left-handed reliever will now try his luck overseas in 2026.

DECEMBER 1, 2025 • ROTOWIRE

Non-tendered by Mets The Mets non-tendered Castillo on Friday.

Impact Just two weeks after claiming Castillo off waivers from Baltimore, the Mets will now send him into free agency. The 29-year-old southpaw posted a 3.94 ERA and 1.69 WHIP across 32 innings between four different teams in 2025. He'll now have an opportunity to pick where he begins the 2026 campaign, though he may have to settle for a minor-league deal.

NOVEMBER 21, 2025 • ROTOWIRE

joining Mets The Mets claimed Castillo off waivers from Baltimore on Thursday.

Impact Castillo had stints with Arizona, Baltimore, Seattle and the Mets in 2025. He'll return to the Mets after being exposed to waivers by the Orioles. Castillo posted a 3.94 ERA across 32.0 innings of relief in the big leagues this year.

NOVEMBER 6, 2025 • ROTOWIRE

Kittredge's $9 million option exercised by Orioles, who decline Mateo's $5.5 million option

The Baltimore Orioles have exercised Andrew Kittredge's $9 million option

NOVEMBER 6, 2025 • Associated Press

Dean Kremer's one-hit gem leads Orioles to 6-0 win over Rays

Dean Kremer pitched 6 1/3 innings of one-hit ball and the Baltimore Orioles began their final home series of the season with a 6-0 victory over the Tampa Bay Rays

SEPTEMBER 24, 2025 • Associated Press

Claimed by Baltimore The Orioles claimed Castillo off waivers from the Mariners on Monday.

Impact Castillo will join his third time this month after previously being with the Mets and Mariners. The lefty has posted a 4.38 ERA and 23:11 K:BB over 24.2 frames this season in the majors.

SEPTEMBER 15, 2025 • ROTOWIRE

Designated for assignment The Mariners designated Castillo for assignment Friday.

Impact Castillo's run with the Mariners will end after just nine days, during which he gave up one unearned run in three innings across three appearances. Casey Legumina will come up from Triple-A Tacoma to fill the vacancy in Seattle's bullpen.

SEPTEMBER 12, 2025 • ROTOWIRE

Last Night in Baseball: Good Morning to the First-Place Seattle Mariners

The Mariners and Astros are heading in opposite directions, Aaron Judge makes Yankees' homer history again, Mickey Moniak contorts himself a...

SEPTEMBER 12, 2025 • FOX SPORTS

Last Night in Baseball: Good Morning to the First-Place Seattle Mariners

Touted rookie Harry Ford delivers off bench as Mariners top Angels in 12 to tie for 1st in AL West

Rookie pinch-hitter Harry Ford drove in the winning run with a sacrifice fly in the 12th inning and the Seattle Mariners beat the Los Angeles Angels 7-6 to move into a tie with Hou...

SEPTEMBER 12, 2025 • Associated Press

Deadspin | Mariners claim LHP Jose Castillo off waivers from Mets Deadspin | Mariners claim LHP Jose Castillo off waivers from Mets

SEPTEMBER 3, 2025 • DEADSPIN.COM

Claimed by Mariners The Mariners claimed Castillo off waivers from the Mets on Wednesday.

Impact Castillo posted a 2.35 ERA and 19:6 K:BB over 15.1 innings with the Mets but was unable to lock down a steady roster spot. He'll now join the Mariners as a middle reliever.

SEPTEMBER 3, 2025 • ROTOWIRE

Deadspin | Mets bring back RHP Chris Devenski, designate LHP Jose Castillo Deadspin | Mets bring back RHP Chris Devenski, designate LHP Jose Castillo

AUGUST 30, 2025 • DEADSPIN.COM

Kicked off 40-man The Mets designated Castillo for assignment Saturday.

Impact After giving up one run and throwing 47 pitches in two innings Friday, the Mets will replace Castillo with a fresh bullpen arm in the form of Chris Devenski. Castillo sports a 4.98 ERA and 1.85 WHIP through 21.2 MLB innings and is now available on waivers for another bullpen-needy team to claim.

AUGUST 30, 2025 • ROTOWIRE

Collects first win of season Castillo (1-2) picked up the win over the Phillies on Monday, working a scoreless fifth inning without a strikeout or a walk.

Impact The 29-year-old lefty plunked J.T. Realmuto with a pitch to lead off the inning, but an Alec Bohm double play erased the threat, and the Mets broke open a 3-3 tie in the bottom of the fifth en route to a 13-3 rout. It was Castillo's first big-league win since 2018 with San Diego, and over 13.1 innings in the New York bullpen this season he's posted a 2.03 ERA and 17:6 K:BB, albeit with an alarming 1.73 WHIP.

AUGUST 26, 2025 • ROTOWIRE

Collects first win of season Castillo (1-2) picked up the win over the Phillies on Monday, working a scoreless fifth inning without a strikeout or a walk.

AUGUST 26, 2025 • ROTOWIRE

Luis Torrens matches career high with 5 RBIs as the Mets rout NL East-leading Phillies 13-3

Luis Torrens hit a three-run homer and matched his career high with five RBIs as the New York Mets overcame an early three-run deficit and beat the Philadelphia Phillies 13-3 in a...

AUGUST 26, 2025 • Associated Press

Mets place RHP Reed Garrett on 15-day IL with right elbow inflammation

Mets reliever Reed Garrett has been placed on the 15-day injured list with right elbow inflammation

AUGUST 25, 2025 • Associated Press

Deadspin | Mets place RHP Reed Garrett on IL, select LHP Jose Castillo Deadspin | Mets place RHP Reed Garrett on IL, select LHP Jose Castillo

AUGUST 25, 2025 • DEADSPIN.COM

Back with big club The Mets selected Castillo's contract from Triple-A Syracuse on Monday.

Impact Castillo was outrighted off the 40-man roster earlier this month, but he's getting another shot in the majors after allowing just one run with a 9:1 K:BB over his last 5.1 innings with Syracuse. The lefty reliever holds a 5.30 ERA and 20:9 K:BB across 18.2 frames at the big-league level this season between the Diamondbacks and Mets.

AUGUST 25, 2025 • ROTOWIRE

Back with big club The Mets selected Castillo's contract from Triple-A Syracuse on Monday.

Impact Castillo was outrighted off the 40-man roster earlier this month, but he's getting another shot after allowing just one run with a 9:1 K:BB over his last 5.1 innings with Syracuse. The lefty reliever holds a 5.30 ERA and 20:9 K:BB across 18.2 frames at the big-league level this season between the Diamondbacks and Mets.

AUGUST 25, 2025 • ROTOWIRE

Outrighted to minors Castillo was outrighted to Triple-A Syracuse on Friday.

Impact The Mets designated Castillo for assignment last weekend and no other team was willing to put him on their 40-man roster via a waiver claim. Castillo has made a total of 19 appearances in the majors this season between Arizona and New York, posting a 5.30 ERA and 1.93 WHIP over 18.2 innings.

AUGUST 1, 2025 • ROTOWIRE

Pushed off 40-man roster The Mets designated Castillo for assignment Sunday.

Impact Castillo will lose his spot on the 40-man roster with the Mets needing to clear a spot for left-hander Gregory Soto, who has reported to the team after being acquired from the Orioles on Friday. Over his 19 appearances at the big-league level this season between the Diamondbacks and Mets, Castillo has produced a 5.30 ERA and 1.93 WHIP while striking out 20 batters over 18.2 innings.

JULY 27, 2025 • ROTOWIRE

Pushed off 40-man roster The Mets designated Castillo for assignment Sunday.

JULY 27, 2025 • ROTOWIRE

Contract selected by New York The Mets selected Castillo's contract from Triple-A Syracuse on Friday, Laura Albanese of Newsday reports.

Impact Castillo was DFA'd by the Mets last month but rejoins the 40-man roster and MLB roster. He pitched in 13 games out of the bullpen for New York earlier in the season, registering a 2.38 ERA, 1.94 WHIP and 14:6 K:BB across 11.1 innings of work.

JULY 25, 2025 • ROTOWIRE

Remains in organization The Mets outrighted Castillo to Triple-A Syracuse on Sunday.

Impact While no longer on the Mets' 40-man roster, Castillo will remain in the organization. The left-handed reliever has been roughed up for 13 runs (11 earned) with a 17:9 K:BB over 17.2 frames between the Diamondbacks and Mets this season.

JULY 1, 2025 • ROTOWIRE

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