![www.bjpenn.com](https://www.bjpenn.com/wp-content/uploads/2021/09/Vitor-Belfort-Michael-Bisping-UFC-.jpg)
Michael Bisping reflects on knockout loss to "piece of s*it" Vitor Belfort: "The biggest known drug cheat in the history of the sport" | BJPenn.com
Former UFC middleweight champion Michael Bisping has labeled his longtime rival Vitor Belfort the worst cheater in the history of MMA.
![www.bjpenn.com](https://www.bjpenn.com/wp-content/uploads/cropped-faviconbjp-32x32.png)
Sad story