Multiple UFC fighter updates: Jones retirement, Costa weight struggles

Several notable MMA developments emerged ahead of UFC 327. Jon Jones declared he has hung up his gloves as a fighter, stating "fighter Jon Jones is no more, now only businessman Jon Jones." Paulo Costa expressed hatred for Russian fighters and struggled significantly to make 93 kg, having previously competed at 84 kg. Johnny Walker surprised Jiri Prochazka with a gift related to the birth of his daughter. Josh Hockett reportedly dropped his promotional character immediately after filming, apologizing to those present. The ceremonial weigh-ins featured strong showings from both Prochazka and Karl Ulberg.