Reinier de Ridder picked up the biggest win of his career on Saturday after beating former champion Robert Whittaker in the UFC Abu Dhabi main event, but he didn’t escape criticism from another veteran middleweight. Just moments after having his hand raised in a split-decision victory to move to 4-0 in the UFC, de Ridder was subjected to a message from Paulo Costa , who is just days removed from his decision win over Roman Kopylov at UFC 318 . Costa, who got back on track after losing two in a row, obviously gained some confidence with his success as he took aim at de Ridder for his performance