[4] He began 2007 with a win at the FBK Games and then set a career best at the Reebok Grand Prix in New York City, taking third behind Liu Xiang and Terrence Trammell in a time of 13.02 seconds.

[7] He failed to follow up on his breakthrough year in 2008 as he was knocked out in the semi-final round of the Olympic Trials and ended the season with a best run of 13.28 seconds.

[8] He did manage to win the bronze medal at the 2008 IAAF World Athletics Final, coming behind fellow American David Oliver.

[9] He started 2009 by posting a fast early season time of 13.21 seconds at the 100th anniversary of the Drake Relays in April, setting a meet record in the process.

[4] He won the ISTAF Berlin meeting in August[13] His season's best time of 13.12 seconds, set in Paris, saw him return to the top four in the annual hurdles rankings.

[16] He won the 2013 USA Outdoor Track and Field Championships with a time of 13.08 beating out David Oliver, Aries Merritt and Jason Richardson.