Diamondbacks & Rockies Complete Trade

January 10, 2026 ,

Arizona Diamondbacks outfielder Jake McCarthy rounds the bases after hitting a home run during 2025 game.

The Colorado Rockies took a smart, low-risk swing Saturday, acquiring outfielder Jake McCarthy from the Arizona Diamondbacks in exchange for right-handed pitching prospect Josh Grosz. 

McCarthy walks into a Coors Field setup that can turn singles into chaos, and for a player whose game is built on contact and elite speed, it is about as friendly a landing spot as you can draw.

Jake McCarthy gets the fresh start he needed in Colorado

McCarthy, 28, has a long track record of impacting games with his legs and gap power, with a career line of .260/.324/.381 plus 83 stolen bases in 431 MLB games from 2021-25. 

He slumped in 2025 (.204/.247/.345 with four homers and six steals in 67 games), but the speed is still top-tier: MLB.com notes his 29.9 sprint speed in 2025 ranked tied for fifth-fastest in MLB among hitters with at least 200 plate appearances, and his stolen-base success rate (84.7%) sits among the NL’s best over that sample of attempts. 

Why the Diamondbacks moved on and what the return means

McCarthy is out of minor-league options, and the Diamondbacks clearly felt it was time to cash him out rather than risk losing flexibility. 

McCarthy also has a real recent peak: he finished fourth in NL Rookie of the Year voting in 2022 after hitting .283/.342/.427, and he followed with a strong 2024 where he played 142 games and slashed .285/.349/.400. 

Meanwhile, Grosz is a 23-year-old arm the Rockies picked up in the Ryan McMahon trade last July, and he posted a 1-6 record with a 5.87 ERA in seven High-A Spokane starts in 2025, giving the Diamondbacks a development play they can try to sharpen. 

Photo Credit: Mark J. Rebilas-Imagn Images 

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