Nnamdi Asomugha was born on 6 July, 1981, in Lafayette, Louisiana, to Nigerian Igbo parents. Nnamdi is a Nigerian American footballer. He attended Leuzinger High School in Lawndale, California and Bishop Montgomery High School in Torrance, California and attended the University of California, Berkeley. During his school days he played professional football for his institutions as Cornerback and starter.
Asomugha was the second Cal player to be drafted in the first round (31st overall) of the 2003 NFL draft by the Oakland Raiders. He was moved to Cornerback but played sparingly the first two seasons of his career. He became a starter in 2005. He also played for the Philadelphia Eagles and San Francisco 49ers. For many years he was considered one of the best shutdown corners in the NFL.
Asomugha was selected as the Raiders Team Captain for the 2007 season, he was again selected a team captain before the 2008 season. Nnamdi was selected as a starter for the 2009 Pro Bowl. He was selected onto The Sporting News 2008 All-Pro Team. In August 2009 the Oakland Tribune named Asomugha one of the greatest Oakland Raiders of all time, he held many post and won several medals for his clubs.
Until 26 December, 2013, Asomugha signed a one-day contract with Oakland so he could retire as a Raider. He officially announced his retirement on December 27, 2013.