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Cubs' Luis Peralta: Claimed by Cubs, sent to Triple-A
Rotowire
The Cubs claimed Peralta off waivers from the Cardinals on Sunday and optioned him to Triple-A Iowa, Taylor McGregor of Marquee Sports Network reports.
Peralta was designated for assignment by the Cardinals on Friday but quickly found a home in a new organization willing to dedicate a 40-man roster spot to him. The southpaw never made an appearance in the Cardinals organization, but he posted an inflated 17.18 ERA and 3.24 WHIP with 14 strikeouts over 7.1 innings in six appearances with the Rockies' Triple-A affiliate in Albuquerque this season. Peralta has the ability to punch out batters, but he'll need to greatly limit the damage against him at Iowa before receiving a look in Chicago's bullpen.
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Cardinals' Luis Peralta: Designated for assignment
Rotowire
The Cardinals designated Peralta for assignment Friday.
Peralta was claimed earlier this week, but he's now headed back to waivers without having made an appearance in the Cardinals organization. The transaction clears a spot on the 40-man roster for the addition of Jared Shuster.
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Cardinals' Luis Peralta: Claimed by Cardinals
Rotowire
The Cardinals claimed Peralta off waivers from the Rockies on Monday.
The younger brother of Freddy Peralta, Luis has spent all of this season at Triple-A Albuquerque, where he's been bludgeoned for 14 runs with a 14:13 K:BB over 7.1 frames. The left-hander has collected a 6.03 ERA and 30:23 K:BB in 31.1 innings during his chances at the big-league level. Peralta boasts a 30.2 percent strikeout rate in the minors but also a 13.9 percent walk rate. He will report to Triple-A Memphis.
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Rockies' Luis Peralta: DFA'd by Colorado
Rotowire
The Rockies designated Peralta for assignment Tuesday.
The left-hander missed out on Colorado's Opening Day roster and is now losing his place on the 40-man roster after surrendering 14 earned runs with a 14:13 K:BB over 7.1 innings with Triple-A Albuquerque this season. Peralta also struggled in the big leagues last year with a 9.47 ERA and 2.32 WHIP in 22 appearances.
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Rockies' Luis Peralta: Misses out on roster spot
Rotowire
Colorado optioned Peralta to Triple-A Albuquerque on Sunday, Patrick Lyons of JustBaseball.com reports.
The left-hander finished 2025 working in the majors but is set to open 2026 in the minor leagues. Peralta had a 9.47 ERA and 16:18 K:BB across 19 frames in the big leagues last year, and he wasn't much better at Triple-A with a 9.09 ERA.
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Rockies' Luis Peralta: Activated Wednesday
Rotowire
The Rockies reinstated Peralta (hip) from the injured list Wednesday.
Left hip inflammation sent Peralta onto the injured list Sept. 11, but a quick recovery will allow him to provide depth to Colorado's bullpen for the final several games of the 2025 campaign. Ryan Rolison was optioned to Triple-A Albuquerque in a corresponding move.
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Rockies' Luis Peralta: Lands on injured list
Rotowire
The Rockies placed Peralta on the 15-day injured list Thursday, retroactive to Monday, with left hip inflammation.
Peralta has struggled mightily in the majors this season, posting a 10.80 ERA and 2.40 WHIP across 16.2 innings alongside a 14:16 K:BB. The 24-year-old will be eligible to return before the end of the season, but the Rockies likely won't be in a rush to bring him back based on his performance and the fact that they are firmly out of contention for a postseason spot. Ryan Rolison was recalled from Triple-A in a corresponding move.
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Rockies' Luis Peralta: Up with big club
Rotowire
The Rockies recalled Peralta from Triple-A Albuquerque on Sunday.
The left-hander opened the season with the Rockies and had a 7.56 ERA in nine appearances before being demoted April 20. Peralta is now back in the majors despite posting an even worse 9.09 ERA over 34.2 innings at Triple-A.
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Rockies' Luis Peralta: Optioned to Triple-A
Rotowire
Peralta was optioned to Triple-A Albuquerque on Sunday.
Peralta will head to Triple-A after the Rockies split Sunday's doubleheader with the Nationals. The left-hander did not appear in either contest, and he'll drop down a level after posting a 7.56 ERA and 2.16 WHIP with five strikeouts over 8.1 innings in nine appearances out of Colorado's bullpen so far this year. Right-hander Jaden Hill, who was called up for Sunday's doubleheader, will remain on the 26-man roster in Peralta's place.
