On August 9, 2016, Stevens became the third American male judoka to win a silver medal in the Olympics.

[5][6] At the 2008 Summer Olympics, he lost to eventual gold medalist Ole Bischof in the third round, before losing to Tiago Camilo in the repechage.

[7] At the 2012 Summer Olympics, he again lost to 2008 gold medalist Ole Bischof, this time in the semi-finals by judges' decision.

[5][8] At the 2016 Summer Olympics, he lost to Khasan Khalmaurzaev (Russia) in the finals, earning a silver medal.

On 9 August 2016, he was ranked number 12 in the world in the −81 kg weight class by the International Judo Federation.