LAS VEGAS, NEVADA - JULY 11: BJ Penn receives his award as he is inducted into the UFC Hall of Fame at the UFC Fan Expo in the Sands Expo and Convention Center on July 11, 2015 in Las Vegas Nevada. (Photo by Brandon Magnus/Zuffa LLC/Zuffa LLC via Getty Images)

LAS VEGAS, NEVADA - JULY 11:   BJ Penn receives his award as he is inducted into the UFC Hall of Fame at the UFC Fan Expo in the Sands Expo and Convention Center on July 11, 2015 in Las Vegas Nevada. (Photo by Brandon Magnus/Zuffa LLC/Zuffa LLC via Getty Images)