Originally written on Fox Sports  |  Last updated 5/8/12

CLEVELAND, OH - FEBRUARY 27: Rock Allen of Philadelphia, Pennsylvania lands a punch in his light welterweight (141lbs) match against Lamont Peterson of Washington, D.C. during the 2004 Olympic Box-Offs at the Cleveland Convocation Center February 27, 2004 in Cleveland, Ohio. With the victory, Allen qualifies for the 2004 U.S. Olympic Boxing Team. (Photo by Andy Lyons/Getty Images)
Lamont Peterson's lawyer is telling Nevada boxing regulators the champion fighter's failed doping test stemmed from an ''inadvertent'' failure to disclose medical treatment last November for low testosterone levels. In a letter obtained late Tuesday by The Associated Press, Peterson attorney Jeff Fried tells the Nevada Athletic Commission a doctor determined the treatment wouldn't help the 28-year-old boxer's athletic performance. Peterson defeated Amir Khan in December to become the WBA and IBF junior welterweight champion. Commission executive Keith Kizer said Tuesday that Peterson's scheduled May 19 rematch with Khan in Las Vegas is in doubt after a urine test in March found unacceptably high levels of synthetic testosterone in Peterson's system. Kizer says Peterson won't get a license for the Khan bout unless the commission accepts his explanation.
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