Shook elected free agency Monday after clearing waivers.
Shook will search for an opportunity elsewhere after choosing to become a free agent. He made his big-league debut in 2026 but struggled to a 8.22 ERA and 1.83 WHIP with seven strikeouts and two walks in 7.2 innings out of the bullpen.
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Rockies' TJ Shook: Summoned to big leagues
Rotowire
The Rockies recalled Shook from Triple-A Albuquerque on Monday.
Shook made four relief appearances for the Rockies earlier this season, allowing six runs with a 6:3 K:BB over 5.2 innings. The 28-year-old will provide the Colorado bullpen with a fresh arm after the relief corps covered five innings in Sunday's win over the Giants.
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Rockies' TJ Shook: Demoted to ABQ
Rotowire
The Rockies optioned Shook to Triple-A Albuquerque on Saturday.
Shook will lose his place in Colorado's bullpen after giving up four earned runs in two innings during Thursday's loss to the Giants. He owns a 2.89 ERA and 1.19 WHIP through 37.1 Triple-A frames in the hitter-friendly Pacific Coast League, so he could make it back into the Rockies' bullpen down the line if he returns to form at Albuquerque. Jeff Criswell was recalled in a corresponding move.
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Rockies' TJ Shook: Joins big-league bullpen
Rotowire
The Rockies recalled Shook from Triple-A Albuquerque prior to Sunday's game against the Giants.
Colorado optioned left-hander Sean Sullivan to Triple-A to open up a spot on the active roster and in the bullpen for Shook. The 28-year-old right-hander was previously up with the Rockies for a week in early June, making three appearances while allowing two earned runs on four hits and no walks across 3.2 innings.
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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.
