Trace amounts of a steroid not listed on the label led to a positive doping test and a mandatory suspension for Coria, who climbed as high as third in the ATP rankings, Coria's lawyer Will Nystrom said yesterday.
"To make matters worse, Guillermo was branded as a cheater," Nystrom told the eight-person jury in New Brunswick, New Jersey, hearing Coria's case against Universal Nutrition, maker of a multivitamin the player took.
If Coria prevails, experts believe it would be the first time a world-class professional athlete proved that a positive test for performance-enhancing drugs was caused by product contamination.
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