Anderson Silva vs. Chael Sonnen card complete with addition of boxing match between Olympic medalists
Esquiva Falcão | Photo by Steve Marcus/Getty Images Olympic medalists Esquiva Falcão and Hebert Conceição face off in an all-Brazil boxing match on the undercard of Spaten Fight Night on June 15, the company announced Friday. SFN is headlined by a five-round exhibition boxing match between old UFC rivals Anderson Silva and Chael Sonnen in…