Jon Jones announces retirement, says 'fighter Jon Jones is no more'

Jon Jones has declared his retirement from fighting, stating he has hung up his gloves. He announced that 'fighter Jon Jones is no more' and that he will now focus solely on being 'businessman Jon Jones.' This represents a significant shift from his legendary fighting career. The announcement was made alongside several other UFC news items including updates about Paulo Costa, Johnny Walker, and Merab Dvalishvili. Details about the context and timing of this retirement decision are limited in the available information.