Curtis Blaydes has tested positive for COVID-19. As a result, his UFC Vegas 15 main event fight with Derrick Lewis has been canceled.

This unfortunate news was first reported by Ariel Helwani of ESPN, the UFC’s official broadcast partner. Helwani also added that the UFC is hoping to reschedule this heavyweight fight for later in December, once Blaydes has a clean bill of health.

Curtis Blaydes vs. Derrick Lewis — tomorrow night’s UFC main event — has been canceled, per multiple sources. Blaydes has tested positive for COVID.

The promotion is hoping to reschedule the fight in December, sources say, though that isn’t a done deal just yet.

— Ariel Helwani (@arielhelwani) November 27, 2020

“Curtis Blaydes vs. Derrick Lewis — tomorrow night’s UFC main event — has been canceled, per multiple sources,” Helwani reported. “Blaydes has tested positive for COVID.

“The promotion is hoping to reschedule the fight in December, sources say, though that isn’t a done deal just yet.”

With the cancelation of this Blaydes vs. Lewis fight, UFC Vegas 15 will now be headlined by a light heavyweight showdown between former title challenger Anthony “Lionheart” Smith and rising contender Devin Clark.

See the updated lineup for the card, sans Blaydes vs. Lewis, below:

MAIN CARD (ESPN2/ESPN+, 10 p.m. ET)

Curtis Blaydes vs. Derrick Lewis
Devin Clark vs. Anthony Smith
Josh Parisian vs. Parker Porter
Miguel Baeza vs. Takashi Sato
Bill Algeo vs. Spike Carlyle

PRELIMINARY CARD (ESPN+, 7 p.m. ET)

Norma Dumont vs. Ashlee Evans-Smith
Martin Day vs. Anderson dos Santos
Gina Mazany vs. Rachael Ostovich
Kai Kamaka III vs. Jonathan Pearce
Malcolm Gordon vs. Su Mudaerji
Nate Maness vs. Luke Sanders

With the Blaydes vs. Lewis main event cancelled, will you still be tuning in for Saturday’s UFC Vegas 15 card? Let us know your thoughts in the comments section down below.