He made a new world record of 12.75 seconds in the men's 110-meter hurdles at NCAA Outdoor Track and Field Championships in Eugene, Oregon.
Broke 14-year-old world record of 12.80 seconds set by fellow American Aries Merritt in September 2012.
He became the first athlete in 50 years to break an individual world record during the National Collegiate Athletics Association(NCAA) National Championships.