Joel Rosario atop Orb reacts after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)
139th Kentucky Derby
The field comes out of the gate to start the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Doug Pensinger/Getty Images)
139th Kentucky Derby
The field comes out of the gate to start the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Doug Pensinger/Getty Images)
139th Kentucky Derby
Kentucky Derby winner Orb with jockeyJoel Rosarioreacts after crossing the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)
139th Kentucky Derby
Kentucky Derby winner Orb with jockeyJoel Rosarioreacts after crossing the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)
139th Kentucky Derby
Kentucky Derby winner Orb with jockeyJoel Rosarioreacts after crossing the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)
139th Kentucky Derby
Kentucky Derby winner Orb with jockeyJoel Rosario crosses the finish line to win the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)
139th Kentucky Derby
The field races down the front stretch during the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Travis Lindquist/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb reacts after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb reacts after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Kentucky Derby winner Orb with jockeyJoel Rosario is congratulaued by a competitor after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb reacts after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Travis Lindquist/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb reacts after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb celebrates after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)
139th Kentucky Derby
Orb ridden by Joel Rosario comes down the final stretch on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)
139th Kentucky Derby
Orb ridden by Joel Rosario comes down the final stretch on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)
139th Kentucky Derby
The field comes out of the gate to start the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Doug Pensinger/Getty Images)
139th Kentucky Derby
Race fans in festive hats look over the paddock prior to the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Michael Heiman/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Credit: Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb on his way to winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb reacts after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb stands in the winners circle after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb celebrates with the trophy after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb celebrates with the trophy after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
Joel Rosario atop Orb celebrates with the trophy after winning the 139th running of the Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
139th Kentucky Derby
(L-R) Joel Rosario atop Orb celebrates with the trophy after winning the 139th running of the Kentucky Derby as owner Ogden “Dinny” Phipps , trainer Shug McGaughey and owner Stuart Janney III look on at Churchill Downs on May 4, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)
