UFC Statement on Joe Duffy

"Due to a medical issue involving UFC lightweight Joe Duffy, the new main event of UFC FIGHT NIGHT in Ireland on Saturday will be a three-round bout featuring hometown hero Paddy Holohan vs. Louis Smolka. "Having learned that Duffy received a strike to the head during training earlier this week, UFC sent him for medical tests in Ireland for precautionary purposes. The results determined that Duffy suffered a mild concussion and due to the proximity of the fight this Saturday UFC will not permit