An Instagram post from MMA fighter Khamzat Chimaev has the world buzzing, wondering if he revealed his retirement at the age of 26 after a battle with COVID-19.

Alphabetical list of Mixed Martial Arts Fighters from UFC, Strikeforce and more on ESPN.com. Royce Gracie - Brand Ambassador For Bellator. Royce Gracie is considered one of the most. Suspended fighters. The list below is based on fighters suspended either by (1) United States Anti-Doping Agency (USADA) or World Anti-Doping Agency (WADA) for violation of taking prohibited substances or non-analytical incidents, (2) by local commissions on misconduct during the fights or at event venues, or (3) by UFC. As of May 16, 2019, a total of 76 UFC fighters have been sanctioned.

Retired Heavyweight Mma Fighters

Chimaev <a href='I want to say thank you to everyone for their support in my path in this sport,' it reads, per Google Translate. 'I think I’m done, yes, I know that I didn’t take the belt, but this is not the most important victory in this life, it may upset you, but my heart and body tell me everything.'UFC president Dana White said that wasn't the case, per MMA Junkie. White says it’s due to the treatment he’s received while in Las Vegas recovering from COVID-19:

Retired Mma Fighters

When he got here, the doctors took care of him, and they put him on prednisone, which is a nasty steroid. So he’s on prednisone, and he’s supposed to be taking this thing and chilling, relaxing, and letting himself recover. He went in and trained today, felt like , and got super emotional and posted that.

“He’s not supposed to be training, but you know, this guy’s a savage. He wants to fight like every weekend, and now he can’t even train, so he just got emotional and posted that, but he ain’t quitting.”

Retired Female Mma Fighters

We’ll see in the coming days if that’s really true.