As we close in on the 141st running of the Kentucky derby, there is one jockey who is making a name for himself - only not for winning races.

Jockey Blake Shinn was racing at Canterbury Park in England last Wednesday and just before crossing the finish, he had well... a wardrobe malfunction... that left him mooning the entire crowd.  The announcer just happened to be talking about horses at the "Rear" of the field, which makes it event even funnier.

Warning: If the sight of a naked buttocks bothers you, do not watch...