Rizzo (19-9) is a former challenger to the UFC heavyweight title. Other rumored opponents for Fedor (33-4) include Bobby Lashley and Rolles Gracie.
"Fedor's opponent for June 21 is Pedro 'The Rock' Rizzo!!" Kogan posted on his Twitter account.
The fight will go down from St. Petersburg, Russia's Ice Palace on June 21. It is likely to air on pay-per-view in the U.S.
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Emelianenko has rebounded from three straight losses in Strikeforce, defeating Jeff Monson and Satoshi Ishii. Rizzo is a three-time challenger for the UFC heavyweight title, and will be returning to action for the first time in two years.
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