Lennox Lewis: Boxing, MMA are 'brothers in arms'Former undisputed boxing heavyweight champion Lennox Lewis explains why MMA shouldn't be a threat to boxing.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceFormer undisputed boxing heavyweight champion Lennox Lewis explains why MMA shouldn't be a threat to boxing.Published Jul 15, 2016 | Modified Jul 15, 2016SI STAFFShare on FacebookShare on XHome/Boxing