Davis set a World Junior record, World Youth and U.S. high school record in the 110-meter high hurdles and won the prestigious World Juniors, Pan Am Juniors and World Youth Championships.  

He also set three national high school records (55-meter hurdles, 60-meter hurdles, and 110-meter hurdles; the 110-meter hurdle record still stands), and is a two-time national high school indoor champion (60-meter hurdles, 2008 and 2009), a two-time national high school outdoor champion (110-meter hurdles, 2007, 2009); and a three-time state champion (two in the 55-meter hurdles in 2008 and 2009, and one in the 110-meter hurdles in 2009). Davis won the 2009 U.S. Junior title (ages 19-under) in the 110-meter hurdles (13.16), and was also a member of the 2012 Trinidad & Tobago Olympic team. 

In college at Texas A&M, Davis was an eight-time All-American (outdoors in the 110-meter high hurdles, and indoors in the 60-meter high hurdles, 2014, 2013, 2012, 2011), and an NCAA Champion (2013, 110-meter high hurdles), and two-time NCAA runner-up (2013, 60-meter high hurdles; 2012, 110-meter high hurdles); he also was a two-time SEC Champion in the 110-meter high hurdles (2013, 2014) and one-time Big 12 Champion in the 110-meter high hurdles (2012), and was SEC runner-up in the 60-meter high hurdles (2013) and Big 12 runner-up in the 60-meter high hurdles (2011).