It's no secret that purple flies flat out catch fish. It's also no secret that we here at Trouts love us some Colorado Rockies. It's October and the Rockies are in the hunt for postseason glory. Rocktober anyone? Our own Tanner Smith was joined by the fly fishing All-Star centerfielder Charlie Blackmon (follow him on instagram, twitter, or just catch him at a game down at Coors Field) on a rare day off up on Deckers to discuss the Five Flies for Rocktober. While there might be a little hometown spin on this month's flies, we know that purple catches fish, it's been proven. Watch in HD!