Clarke made two more eagles, bringing his total this week to five, and putted for eagle on the other three par 5s. A sand wedge to within 8 feet on the 18th hole for birdie put him at 14-under 202.

Campbell had never trailed from his opening-round 63, but fell out of the lead with a three-putt bogey on the par-5 13th hole. He birdied the last two holes for a 68, and was tied with Padraig Harrington (65) at 203.

Clarke finished at the bottom at the Target World Challenge in 2001 and 2003, which is not to say he's had a miserable time. The money is free -- $1.3 million for first, $160,000 for last -- he is good friends with tournament host Tiger Woods, and he never has to look hard to find a good time.

But then, Clarke could have seen this coming. He won the Taiheiyo Masters in Japan last month, then lost in a playoff at Sun City in South Africa last week when Jim Furyk chipped in. He attributes his late-season form to a season filled with tough times, as his wife Heather battles cancer.

Most players are at the end of a long year. Clarke simply hasn't played as much, with his "long, hard season" coming from issues off the course.

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