Can Greg Hardy succeed as an MMA fighter?Bellator fighter Liam McGeary looks at the factors a professional athlete must overcome if he or she wants to become a successful MMA fighter.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceBellator fighter Liam McGeary looks at the factors a professional athlete must overcome if he or she wants to become a successful MMA fighter.Published Nov 4, 2016 | Modified Nov 4, 2016SI STAFFShare on FacebookShare on XHome/NFL