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Two-time ADCC champion Leo Vieira replaces Frank Mir against Chael Sonnen at ADCC 2017

Esther Lin, MMA Fighting

Chael Sonnen has a new opponent for the 2017 edition of Abu Dhabi Combat Club Submission Wrestling World Championship (ADCC).

Originally booked to meet Ricardo Liborio and then Frank Mir, Sonnen will now take on Leo Vieira in Finland, the promotion announced following a report by Graciemag. ADCC 2017 takes place at The Espoo Metro Areena on Sept. 22-24.

Vieira is a two-time ADCC gold medalist at the -66kg (145 pounds) division. Sonnen, who fights in the light heavyweight division (205 pounds) in MMA, is coming off a unanimous decision win over Wanderlei Silva in Bellator.

The second “Stars Superfight” at ADCC 2017 features Renzo Gracie and San Kikuta, a grappling rematch of their PRIDE 2 fight. In March 1998, Gracie submitted Kikuta with a guillotine choke in the sixth round.

In the main superfight, Andre Galvao grapples ADCC 2015 openweight champion Claudio Calasans.

Other notable names from the MMA world set to compete at ADCC 2017 are Jake Shields, Augusto Mendes, Gilbert Burns, Jeff Monson, Dillon Danis, Gabi Garcia, Mackenzie Dern, Michelle Nicolini and Talita Nogueira.

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