Former UFC fighter Elias Theodorou has passed away following a battle with cancer.
According to multiple reports, Theodorou was battling stage 4 liver cancer. He was 34 years old.
During his MMA career, Theodorou competed 22 times, going 8-3 in the UFC. He was crowned The Ultimate Fighter winner and held victories over the likes of Eryk Anders, Dan Kelly and Sam Alvey.
Theodorou started work as an advocate for the use of medicinal marijuana in combat sports after retiring. He also served as a “ring boy” for Invicta FC.
— Michael Chiesa (@MikeMav22) September 12, 2022 
RIP Elias Theodorou. A great person and a HUGE voice for the more fair and equitable treatment of marijuana use in MMA and sport.
— Jeff Novitzky (@JeffNovitzkyUFC) September 12, 2022 
I can't believe! terrible news! RIP my friend Elias Theodorou 🙏🏾😞 it’s was a pleasure to share the octagon with you my brother
— Thiago “Marreta” Santos (@TMarretaMMA) September 12, 2022 
A positive energy if ever there was one, a man who almost always flashed a winning smile, a man who spoke out about what he believed in.
— Sarah Kaufman (@mmasarah) September 12, 2022 
Prayers and condolences go out to the family and friends of @EliasTheodorou  so often people fight and we don’t see it, just as often we don’t even know. RIP Elias, classy to the end I am so sorry that we, the MMA community did not no about your toughest fight ever🙏 pic.twitter.com/nSbzd6tZRp 
— Big John McCarthy (@JohnMcCarthyMMA) September 12, 2022