Robert Whittaker will now face Kelvin Gastelum at UFC Fight Night on April 17 after Paulo Costa was forced to withdraw, according ESPN's Brett Okamoto.
Gastelum (16-6, 6 KOs) is coming off an unanimous decision victory over Ian Heinisch in February that snapped a three fight losing streak against Israel Adesanya, Darren Till and Jack Hermansson. He'll finally get to face Whittaker (22-5, 9 KOs) after their previously scheduled bout in 2019 was canceled on the morning of the fight due to Whittaker requiring emergency surgery for a collapsed bowel and internal hernia.
This article will be updated to provide more information on this story as it becomes available.