Watney goes to the head of the class

It really shouldn't be surprising that Nick Watney goes into the final round of the PGA Championship today with a three-stroke lead. He has been solid in two of the three previous major championships this year, finishing seventh at the Masters and in a tie for seventh at the British Open.

Watney hasn't won a major yet, though, and doing that can be tough. Just ask Dustin Johnson, who will be his playing partner in the final round. Like Watney, Johnson had a three-stroke lead entering the final round of the U.S. Open in June and stumbled in with an 82, leaving him tied for eighth.

Earlier in the week, Johnson insisted the meltdown wasn't that big a …