MLB.com reporter Thomas Harding is reporting that the Colorado Rockies will likely promote LHP Carson Palmquist (No. 9 PuRP) to start tomorrow night’s game against the Arizona Diamondbacks.
No announcement has been made, but signs point to the #Rockies selecting LHP Carson Palmquist, their No. 9 @MLBPipeline prospect, to make his Major League debut in a start tomorrow night at Arizona.https://t.co/iaAWFfoldf
— Thomas Harding (@harding_at_mlb) May 15, 2025
The move is not confirmed, but it comes after Ryan Feltner was placed on the Injured List with back issues, and the Rockies have struggled to get length out of their healthy rotation members.