Frank Mir against Brock Lesnar during their heavyweight title bout during UFC 100 on July 11, 2009 in Las Vegas, Nevada. (Jon Kopaloff/Getty Images

UFC just confirmed the biggest return in the organization's history

HE'S BACK!

After rumors started to trickle out Saturday afternoon, the UFC announced Brock Lesnar's return to the Octagon at UFC 199.

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Lesnar is rumored to fight Mark Hunt at UFC 200, per Wrestling Observer, which is becoming an absolutely loaded card.

According to the report, Lesnar has an option in his WWE contract that allows him to take UFC fights, but also maintain is pro wrestling career.