Prospect Roundup: Games of June 19
Rockies' Welker homers again; Royals' Rivera drives in five
Rockies 3B Colton Welker, Double-A Hartford: 2-for-4, 1 HR, 4 RBIs, 1 BB -- Colorado's No. 2 prospect continued his June power binge with his fourth blast of the month, belting a two-run shot to left field in the bottom of the ninth inning. The third baseman's big fly followed