Reinier de Ridder has officially entered the world of the middleweight elite after a grueling battle against Robert Whittaker at UFC Abu Dhabi.

Reinier de Ridder picked up the biggest win of his career on Saturday when he took a hard-fought split decision over former UFC middleweight champion Robert Whittaker in the main event of UFC Fight Night from Abu Dhabi.

UFC on ABC 9 winner Reinier de Ridder talks to MMA Junkie and other reporters post-fight after his victory over Robert Whittaker in Abu Dhabi.

Reinier De Ridder eyes the winner of Dricus Du Plessis vs. Khamzat Chimaev title fight after defeating a former champion.

Reinier de Ridder edged out Robert Whittaker by split decision in UFC Abu Dhabi main event, but voiced frustration over a judge’s scorecard.

On Saturday at UFC Abu Dhabi, de Ridder shares a card with another former ONE fighter when Marcus Buchecha makes his octagon debut after he endured a similarly frustrating run there. While he certainly doesn't wish anybody ill will,