Counterstrike MMA welcomes Pedro Silveira for a Judo/BJJ seminar on November 26 in Downers Grove. Silveira is the head of Pejor gym in Rio de Janeiro, and he has trained a high caliber of MMA fighters in BJJ. His students include Pat Miletich, Tim Sylvia, Jens Pulver, Mike Ciesnolevicz, LC Davis and others. The seminar …...