Europe's Rory McIlroy reacts after making a birdie putt on the 13th hole during a four-ball match at the Ryder Cup Saturday, Sept. 29, 2012, at the Medinah Country Club in Medinah, Ill.

Europe's Rory McIlroy reacts after making a birdie putt on the 13th hole during a four-ball match at the Ryder Cup Saturday, Sept. 29, 2012, at the Medinah Country Club in Medinah, Ill.