Colorado optioned Shook to Triple-A Albuquerque on Sunday.
Shook joined the Rockies on June 1 and appeared in three games, allowing two runs while posting a 3:0 K:BB over 3.2 innings. He's headed back to the minors in favor of lefty reliever Sammy Peralta, who was called up from Albuquerque to take Shook's bullpen spot.
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Rockies' TJ Shook: Called up by Colorado
Rotowire
The Rockies selected Shook's contract from Triple-A Albuquerque on Monday.
Shook has spent the entire 2026 season in Triple-A, where he has a 2.86 ERA, 1.10 WHIP, seven saves and a 29:8 K:BB across 28.1 innings. He'll operate out of the Rockies' bullpen, and his first call to the mound will be his major-league debut. In corresponding moves, Zach Agnos was optioned to Albuquerque and Welinton Herrera (elbow) was transferred to the 60-day injured list.
