This was Portugal's first goalless draw in 36 World Cup qualifying matches (including play-offs), since drawing 0-0 with Sweden in March 2009. adidas dragon og black "There's been growing interest in the link between head injuries and dementia, from the more severe traumatic brain injury to repeated sports injuries. adidas dragon og black "Republic of Ireland grew into the game and you could see the confidence growing, the crowd got into a bit and you could see the momentum. But I actually feel, and I don't want to take anything away from Ireland's performance, but that's not a typical Portugal side. adidas dragon og black "I love playing for Ireland, as players we're really enjoying it." adidas dragon og black