‘I’ve been living with leukemia for 11 years.

Unfortunately, it’s back,’ the WWE champion announced on Monday

WWE wrestler Roman Reigns (a.k.a.

I feel like I owe everybody an apology.

WWE Smackdown

Credit: Ron ElkmanSports Imagery/Getty Images

Unfortunately, its back.

Because the leukemia is back, I cannot fulfill my role.

I cannot be that fighting champion, and Im going to have to relinquish the Universal Championship.

Reigns has long divided opinion among wrestling fans and critics alike.

Youve always reacted to me, and that is the most important thing.

For that, I have to say thank you so much.

Other wrestlers made their support for him clear on social media afterward.

Check those out below, and watch the full clip above.