World champion boxer known for his quickness and shoulder roll defense. He earned the WBO super featherweight title, WBC lightweight title, and WBA welterweight title.
He knocked out Allante Davis, David Warren Huffman, and Ramon Flores in his first three fights as an unknown up-and-comer.
He won his first title in 2011, knocking out Vicente Martin Rodriguez for the WBO super featherweight world title.
He grew up in Cincinnati, Ohio.
Early in his career he drew many comparisons to Floyd Mayweather, who he considers to be his boxing idol.