The Rockies announced today that they have placed Jon Gray on the 10-IL (retroactive to September 2) with right-shoulder inflammation and called up right-handed pitcher José Mujica.
The Rockies announced today that they have placed RHP Jon Gray on the 10-day injured list with right shoulder inflammation (retroactive to Sept. 2) and have recalled RHP José Mujica from their alternate training site.
— Rockies Club Information (@RockiesClubInfo) September 4, 2020
Gray has struggled this season, most notably with a decrease in velocity.