Rockies purchased the contract of RHP Jon Gray from Triple-A Albuquerque.
Jon Gray will make his major league debut on Tuesday night against the visiting Mariners.
Rockies manager Walt Weiss said Monday that he will stick with a four-man rotation through July 28.
Rockies pitching prospect Jon Gray could be called up to make his major league debut this week.
Rockies pitching prospect Jon Gray could make his debut "sooner than later."
Rockies RHP prospect Jon Gray scattered three hits and a pair of walks over six scoreless frames Tuesday in a win for Triple-A Albuquerque.
Rockies prospect RHP Jon Gray turned in a solid start on Thursday, allowing two earned runs over a season-high eight innings for Triple-A Albuquerque.
Rockies pitching prospect Jon Gray surrendered four hits and two walks over seven shutout frames Sunday in a no-decision for Triple-A Albuquerque.
Rockies prospect RHP Jon Gray was rocked for seven earned runs on 10 hits in just 3 2/3 innings on Monday for Triple-A Albuquerque.
Rockies reassigned RHP Jon Gray to minor league camp.
Jon Gray allowed seven runs -- six earned -- while recording just two outs in a loss to the Cubs in Cactus League play Saturday.
Jon Gray is now slated to start Saturday's Cactus League game versus the Indians, replacing Tyler Matzek.
Rockies general manager Jeff Bridich said Thursday that Jon Gray's arbitration timeline is a "non-factor" when considering whether the righty will make the rotation.
Jon Gray held the Brewers scoreless over four innings in Monday's Cactus League start.