"Something happened with Kimbo Slice," Feldman said. "He actually just got outta the police academy and just started to become a cop, and his schedule wasn't allowing for him to really dedicate ...

Dark Side of the Cage debuts Wednesday night at 10 p.m. ET on Vice TV, and it kicks off with Kimbo Slice: Rise of a Backyard ... to his underground fight with Boston police officer Sean Gannon ...

Mixed martial artist and boxer Kimbo Slice has died at age 42 ... for undisclosed reasons on Monday, a police spokeswoman confirmed to ESPN. His condition was "dire," according to TMZ.