After a victory at Valhalla in 2008, the United States only needs 14 points to retain the Ryder Cup. The Europeans, who host this year's matches, need 14½. There's a long way to go from Friday's first four-ball match to the last of the Sunday singles.
So who will prevail at Celtic Manor? ESPN.com's Jason Sobel is on the grounds tracking all the action from the first day of action in Wales.