Which MMA fighter did Rizin Fighting Federation crown as its first heavyweight champion?
Mirko Cro Cop
Fedor Emelianenko
Alistair Overeem
Fabricio Werdum
Answer
Rizin Fighting Federation crowned Mirko Cro Cop, a Croatian MMA fighter and kickboxer, as its first heavyweight champion. Cro Cop won the title by winning the Rizin World Grand Prix 2016 Openweight Tournament.
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