10 Facts About Doug O'Neill

Douglas F O'Neill was born on May 24,1968 and is an American Thoroughbred horse trainer.

Doug O'Neill was born in Dearborn, Michigan, and resides in California, where he trained the 2012 Kentucky Derby and Preakness Stakes winner, I'll Have Another, and 2016 Kentucky Derby winner Nyquist.

Doug O'Neill became a hot walker while in high school, then went to work at Del Mar racetrack, and obtained his trainer's license in 1989.

Doug O'Neill's brother, Dennis, is a bloodstock agent and helps select horses at auction for clients.

The win was the first time Doug O'Neill had even entered a horse in a Grade 1 race.

Doug O'Neill gained national attention for his Breeders' Cup wins and international recognition for winning the 2003 Japan Cup Dirt at Tokyo Racecourse.

Doug O'Neill scratched I'll Have Another from the Belmont the day prior to the race, citing a tendon injury.

In 2015, Doug O'Neill began to train Nyquist, another Reddam-owned colt.

In May 2012, after a two-year legal battle, the California Horse Racing Board found that Doug O'Neill was responsible for a horse that tested with excess carbon dioxide levels above the permitted level of TCO2.

In October 2014, Doug O'Neill was given another 45-day suspension as a result of a June 2013 violation at Belmont Park.