Cadillac's O'Connell Wins Drivers Championship in Houston

Johnny O'Connell, driver of the #3 Cadillac CTS-V Coupe, during practice Friday October 4, 2013 for Sunday's Pirelli World Challenge finale, the Grand Prix of Houston, in Houston, Texas. O'Connell will start second from the front row. (Photo by Richard Prince for Cadillac Racing)