We've reached the third round of the 2007 US Open and amazingly enough, so have John Isner and Donald Young . A-Rod and James Blake have earned their spots too, so the American flag will wave high at the first full weekend of the tournament. None of that changes my opinion about who can win this year's Open, but it is a relief after a year of disastrous results for the Americanish at the Grand Slams, that our big guns have made it to the knockout stages of the tournament. The biggest surprise of the first week, for me, is that Rafael Nadal's patella tendonitis is already hurting him. Another week of tough play on the rubberized concrete, and our youthful hero will be in a lot of pain.