William Vianna

Professional MMA referee — 13 bouts officiated on record.

Bouts

KO/TKO

Submission

Decision

Finish rate (of decided bouts) 92 %

Where they've officiated

Elizeu Zaleski dos Santos vs Ricardo Silva 2013-05-03

Luis Santos vs Sebastian Latorre 2013-05-03

Elizeu Zaleski dos Santos vs Gilmar Dutra Lima 2013-05-03

Wendell de Oliveira Marques vs Jose de Ribamar Machado Gomes 2013-05-03

Sergio Soares vs Luciano Correa 2012-05-04

Leandro Ataides vs Ricardo Silva 2012-03-10

Raoni Barcelos vs Vitor Riso 2012-03-10

Francimar Barroso vs Falco Neto Lopes 2012-03-10

Mauricio Chueke vs Adriano Alves 2012-03-03

Giovanni Diniz vs Gustavo Franca 2012-03-03

Michael William Costa vs Andre Costa Pereira 2009-05-30

Jamil Silveira da Conceicao vs Arlisson Leandro Tavares de Mendonca 2009-05-30

Zeilton Rodrigues vs Rafael Primo 2009-05-30