Robert Glenn “Robbie” Lawler is an American professional mixed martial artist and former UFC Welterweight Champion. A professional competitor since 2001, Lawler is also a former EliteXC Middleweight Champion, and has formerly competed in Strikeforce, PRIDE, and the IFL. He is currently #11 in official UFC pound-for-pound rankings and ranked as the #1 welterweight and #6 pound-for-pound fighter in the world by Sherdog.
Santos Saúl Álvarez Barragán is a Mexican professional boxer. He has held the WBO light middleweight title since September 2016, as well as the Ring magazine and lineal middleweight titles since 2015. Previously he held the WBC light middleweight title from 2011 to 2013; the WBA (Unified) and Ring light middleweight titles in 2013; and the WBC middleweight title from 2015 to 2016. As of August 2016, Álvarez is ranked as the world’s best boxer, pound for pound, by BoxRec; and eighth by The Ring.
Terence Crawford is an American professional boxer. He is the current unified WBC, WBO, Ring magazine, and lineal light welterweight champion, having previously held the WBO, Ring, and lineal lightweight titles in 2014. As of August 2016 he is ranked by The Ring as the world’s fifth best boxer, pound for pound. Crawford is a fast, hard-hitting, and highly technical fighter who is recognized for his ability to comfortably switch hit from orthodox to southpaw.
Keith Thurman Jr. is an American professional boxer who has held the WBA welterweight title since 2013. As of August 2016 he is ranked the world’s second best welterweight by BoxRec and The Ring magazine, and fourth best by the Transnational Boxing Rankings Board. BoxRec also ranks him as the world’s sixth best boxer, pound for pound. Nicknamed “One Time”, Thurman is known as a knockout artist and one of hardest punchers in the welterweight division.
Ezekiel “Kell” Brook is a British professional boxer who has held the IBF welterweight title since 2014. As of August 2016 he is ranked as the world’s best welterweight by the Transnational Boxing Rankings Board and The Ring magazine, and the second best by BoxRec. The Ring had previously ranked him as the world’s tenth best boxer, pound for pound, while BoxRec currently ranks him as the seventh best boxer, pound for pound.