Today is the 2010 Breeder's Cup Challenge at the famed Churchill Downs. With a purse of $5 million to the winner, tensions are high in the high stakes race.
See this YouTube clip of jockey's Borel and Castellano brawling after a a lead-up race.
http://www.youtube.com/watch?v=lujax6gMAqU
The unbeaten fillie Zenyatta is the favorite at this point. A victory will make her 20-for-20, a mark of perfection that would place Zenyatta among those flawless sports stories such as the 1972 Miami Dolphins, Rocky Marciano and Nadia Comaneci.