Shannon Briggs vs Matthew Greer KO in 23 seconds !! Full Fight 17/05/2014

Shannon Briggs vs Matthew Greer KO in 23 seconds !! Full Fight 17/05/2014 Shannon Briggs vs Matthew Greer KO in 23 seconds !! Full Fight 17/05/2014 Shannon Briggs vs Matthew Greer KO in 23 seconds !! Full Fight 17/05/2014