Israel Adesanya was an emotional rollercoaster while exchanging trash talk with Dricus du Plessis ... going from calling his opponent a "f***ing pig" to breaking down in tears moments later.
The intense back-and-forth went down during the UFC 305 press conference in Australia ... when the Last Stylebender was asked if he would take his middleweight championship back to Africa if he were to win this weekend, to which DDP (21-2) chimed in with a jab about his childhood -- referencing how Adesanya's family had domestic servants.
"Are you taking the servants with you when you're going back?