Gomez, 23, who was called up Friday from Double-A Tulsa, went 2-for-4 in Saturday night's 6-5 loss to the Giants and is 2-for-6 in two appearances.
The season started with Gomez missing from the Tulsa lineup with back issues. Before the Rockies called him up, he had to overcome a left hamstring injury. Throughout his professional career, Gomez has been considered a prospect, but injuries have derailed him. He hasn't had a completely healthy season since 2007.
Tommy Field moved from second base to shortstop, and Chris Nelson started at second Sunday.