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GMA Serg BJJ brings home five medals with four competitors at NY Summer Open
Michael Sergi of GMA Serg BJJ traveled from Savannah to NYC for the 2014 IBJJF New York Summer Open. Along with him c...
Serg BJJ with great showing in Atlanta
GMA member Michael Sergi is proud of his team. His students travelled from Savannah to compete at 2012 IBJJF Atlanta ...