Manager: Contaminated supplement led to Yoel Romero's failed drug test

Yoel Romero admits he failed a USADA drug test, but never consciously took a banned substance.
The UFC middleweight contender and his manager Malki Kawa were on Monday's edition of The MMA Hourwith Ariel Helwani. Kawa and Romero explained that Romero took a supplement after his fight with Ronaldo Souza in December and that supplement turned out to be contaminated."The substance has a label with a bunch of stuff on it," Kawa said. "None of that is illegal to take. What he got popped for is n