Summit Fighting Championships has Former WBO Heavyweight World Champion Shannon Briggs competing in the Main Event this weekend at Isle of Capri Casino!!!! With a Career Record of 56-6 with 49 knockouts and wins over George Foreman and Ray Mercer, he is no doubt one of the BIGGEST stars in Boxing right now! Come check him out as well as other Local Stars this coming weekend in Lula MS (only an hour from Memphis)…