Colorado called up Ryan Ritter on Friday ahead of its series opener against the Mets, paving the way for the shortstop’s MLB debut. Ritter has been tearing up Triple-A, as he was named the Pacific Coast League Player of the Month on Thursday after slashing .381/.445/.918 with 10 doubles, 12 homers and 31 RBIs in May.

The Colorado Rockies are bringing up prospect Ryan Ritter to fill in for injured shortstop Ezequiel Tovar. Ritter had his contract selected from Triple-A Albuquerque on Friday before Colorado began a three-game series with the NL East-leading New York Mets.