VIDEO: Rockies' Cuddyer launches 8th career grand slam vs. D-backs

Reigning National League batting champion Michael Cuddyer is set to become a free agent at season's end and he's doing his best to increase his value with the open market looming.

The veteran outfielder belted his eighth career grand slam on Friday night off Arizona Diamondbacks reliever Eury De La Rosa in the sixth inning and collected seven RBIs in an 11-2 rout.

[Courtesy: MLB.com]