Charlton Athletic have decided not to offer USA international Oguchi Onyewu a new contract, the official website of The Addicks is reporting. <br /><br />The central defender is one of the 15 players shown the exit door by the English Championship side following the expiration of their contracts.<br /><br />Onyewu penned a short - term deal with Charlton last October before the agreement between the parties was extended until the end of this season.<br /><br />In the course of this campaign, the 32 - year - old played 3 games (1 start) for the Londoners in the second tier.<br /><br />He previously donned the jerseys of AC Milan, Newcastle United, Queens Park Rangers and Sporting Lisbon among others.<br /><br />Photo Credit : fifa.com<br />