The highly-anticipated rematch between Lamont Peterson and Amir Khan next week could be in jeopardy after the American tested positive for a banned substance.
The unified junior welterweight titleholder, 28, reportedly tested positive for synthetic testosterone following a random test in March.
Peterson himself asked British boxer Khan to undergo random blood and urine testing in the lead-up to their HBO-screened fight May 19, ESPN reported.
The Las Vegas-based Voluntary Anti-Doping Association (VADA) was contracted to carry out the checks.
Jeff Fried, Peterson's attorney, acknowledged the positive test Monday night.
"We have tremendous respect for VADA and its mission. Lamont, [trainer/manager] Barry [Hunter] and the entire team emphatically support random drug testing in the most comprehensive manner possible," Fried said. "We are working expeditiously with a team of pathologists and other medical specialists to confirm the origin of the test result and in full compliance wit...