Weiss on Gray's big league debut
Mariners @ RockiesAugust 4, 2015 | 00:01:09
8/4/15: Rockies manager Walt Weiss discusses Jon Gray's big league debut and Kyle Parker's home run in the team's 10-4 loss to the Mariners
8/4/15: Rockies manager Walt Weiss discusses Jon Gray's big league debut and Kyle Parker's home run in the team's 10-4 loss to the Mariners