Zhang Weili Says Loud Boos At UFC 261 Impacted Performance Weili Zhang, Photo Credit: Brandon Magnus/Zuffa Zhang Weili admits that the hostile Florida crowd did impact her performance in the UFC 261 co-main event. When fans boo a fighter during a UFC event, it’s uncertain if the fans expect those boos to actually make a difference or if it’s merely an expression of disdain. After all, it’s not as if it’s an NBA event where an opposing player is at the free-throw line and the home crowd is trying to influence his shot. In MMA, fans could be booing a fighter for any number of reasons.