After ending his playing career, he entered coaching at the high school level. In 2020, he returned to USC's football team as a quality control analyst and most recently was the Linebackers coach at Arizona State. He currently is the Linebackers coach for the St. Louis BattleHawks of the United Football League (UFL).
Claiborne accepted an athletic scholarship to attend the University of Southern California, where he played for the USC Trojans football team from 1996 to 1998. As a senior in 1998, he was recognized as a consensus first-team All-American. He is also USC's first and only Butkus award winner.
The Detroit Lions selected Claiborne in the first round (ninth pick overall) of the 1999 NFL Draft, and he played for the Lions from 1999 to 2002.[2] He later played for the Minnesota Vikings from 2003 to 2004, the St. Louis Rams in 2005, and the New York Giants in 2006. He signed with the Jacksonville Jaguars in August 2007 but was released before the start of the 2007 regular season.
Claiborne returned to USC in 2020 as a quality control analyst; he had received his bachelor' degree from the university in 2019.[4] On January 25, 2021, Claiborne was named linebackers coach at Arizona State.[5]