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.
