Duffy sets sights on Poirier; not McGregor

Joe Duffy sat quietly as his fellow countryman Conor McGregor went on a verbal rampage during the UFC’s “GO BIG” press conference on Sept. 4.That’s because Duffy is the antithesis of McGregor. Whereas the “Notorious” is loud and brash, Duffy is typically mild-mannered and reserved.More from UFC Fight Night Dublin: Bigger is better for Poirier | Kavanagh opens up on rise of SBG and Irish MMA | Bubba Bush bringing Texas spirit to Dublin |&nbs