If there is such a thing as a poor round of 67, that is how it looked for Rory McIlroy on Friday. Perhaps the standards have risen to such a level, but McIlroy's 4-under-par effort was not the comfortable stroll around Valhalla Golf Club that he seemingly had during the opening round of the PGA Championship. But he birdied his final hole nonetheless and took the 36-hole lead. Read more http://espn.go.com/golf/pgachampion...pionship-second-round-play-valhalla-golf-club