Drew Beuerlein of the Grand Junction Colorado Rockies puts his catchers mask back on during practice at Suplizio Field.

Nineteen-year-old Ryan Garvey warms up his swing with a weighted bat before taking his spot in the cage for batting practice Tuesday. Garvey is the son of former Los Angeles Dodgers first baseman Steve Garvey.

Drew Beuerlein of the Grand Junction Colorado Rockies gets low to catch a bouncing throw to the plate during practice at Suplizio Field.

Zach Wilson, assistant director of player development for the Colorado Rockies, tells his players during practice what he expects from them.

#28, GJ Rockies pitcher Kyle Rollard works on fielding on the first day of work outs at Suplizio Field.

#13, GJ Rockies outfielder Carl Thomore works out on the first day of work outs for the GJ Rockies at Suplizio Field Monday afternoon.

David Dahl.

#20 GJ Rockies pitcher Brian Rike works out on the first dau of work outs at Suplizio Field.

David Dahl, GJ Rockies first round draft choice.

Drew Beuerlein, left, of the Grand Junction Colorado Rockies listens as roving catching coordinator Marv Foley, center, dispenses advice during practice at Suplizio Field.

GJ Rockies pitcher Brian Rike, No. 20,  works out on the first day of work outs at Suplizio Field.