Oguchialu Chijioke "Oguchi" Onyewu (born May 13, 1982) is an American soccer player who as a center back is currently a free agent and last played for Charlton Athletic during the 2014–15 season. During his professional career from 2002 to 2015 he played for clubs in France, Belgium, England, Italy, the Netherlands, and Portugal. His most prolific club years were with Standard Liege of the Belgian League with whom he made over 100 league appearances from 2004 to 2009, before moving to A.C. Milan in Italy.