Vijay Singh could face suspension
Hall of Fame golfer Vijay Singh said Wednesday he was unaware that a substance he was taking is banned by the PGA Tour.
Although he did not fail a drug test, Singh, 49, could face a suspension due to the PGA Tour's anti-doping policy.
The substance in question is called deer-antler spray, and contains IGF-1. According to a Sports Illustrated report that first disclosed Singh's use of the substance, IGF-1 is a "natural, anabolic hormone that ...
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