Mickelson was feeling a lot better -- and still in the lead -- when he finished the third round Saturday with a 17-foot birdie putt from the front edge at Colonial Country Club.
Mickelson overcame an early bogey and some missed chances with seven birdies in his last 13 holes for a five-under-par 65 that got him to 12-under 198. He led Rod Pampling (63) and Stephen Ames (64) by one stroke.
This is the 27th time Mickelson will lead going into the final round of a tournament. He has gone on to win 19 times, including the Northern Trust Open in February, his only victory this season.
Bernhard Langer held off Jay Haas' late run, which included an eagle on Oak Hill Country Club's No. 17, and took the lead after the third round of the Senior PGA Championship at Rochester, N.Y.
Langer, the Champions Tour money leader, finished with an even-par 70 to put him at two-over 212, a shot ahead of Haas (72) and Jeff Sluman (70).
Jeong Jang shot a three-under 69 in the wind to tie Erica Blasberg for the lead after three rounds at the LPGA Corning Classic at Corning, N.Y.
Jang made a three-foot birdie putt on her final hole to tie Blasberg (70) at seven-under 209. They were one shot ahead of Leta Lindley (70) and Katherine Hull (72).
Sweden wins fourth World Team Cup
Sweden won the World Team Cup at Duesseldorf, Germany, for the fourth time Saturday, winning the doubles to defeat Russia, 2-1.
Top-seeded Nikolay Davydenko won the Hypo Group International for a third time, beating defending champion Juan Monaco, 6-2, 2-6, 6-2, at Poertschach, Austria. . . . Second-seeded Agnieszka Radwanska beat top-seeded Elena Dementieva, 6-3, 6-2, to win the Istanbul Cup and become the first Polish woman to surpass $1 million in career earnings on the WTA Tour.
Andre Begemann of Pepperdine beat Justin Kronauge of Ohio State, 4-6, 7-6 (5), 6-4, to reach the semifinals of the NCAA Division I tournament at Tulsa, Okla., but Bassam Beidas of the Waves lost his quarterfinal match to Stanford's Alex Clayton, 6-2, 6-4
In the women's draw, UCLA's Riza Zalameda was defeated by top-seeded Aurelija Miseviciute of Arkansas, 6-2, 6-3, and USC's Amanda Fink lost to Fani Chifchieva of Auburn, 7-6 (2), 3-6, 6-0.
In men's doubles, USC's Robert Farah and Kaes Van't Hof won their 24th consecutive match by beating Andy Connelly and Ross Cunningham of Tulsa, 6-3, 6-3.
Hatton retains IBO light-welterweight title
Ricky Hatton won a unanimous decision over Juan Lazcano of Sacramento at Manchester, England, to retain his International Boxing Organization light-welterweight title.
It was the first fight for Hatton (45-1) since he lost a World Boxing Council welterweight title bout against Floyd Mayweather Jr. in December.
Grant is out as Chelsea manager
Chelsea fired Manager Avram Grant, three days after the club's loss to English Premier League rival Manchester United on penalty kicks in the European Champions League final at Moscow.
American midfielder DaMarcus Beasley scored in his second match following a 5 1/2 -month injury layoff -- and on his 26th birthday-- to help Glasgow Rangers defeat Queen of the South, 3-2, in the Scottish FA Cup final.
AC Milan midfielder Kaka, the reigning FIFA world player of the year, left a hospital in Rio de Janeiro after undergoing arthroscopic knee surgery.
UCLA beats Georgia in super-regional, 6-1
Anjelica Selden pitched a four-hitter and struck out 11 to lead second-seeded UCLA (49-7) to a 6-1 victory over 15th-seeded Georgia (46-23) in Game 1 of a best-of-three NCAA Division I super-regional at Easton Stadium.
Saladino (28-7 3/4 ) wins long jump
Irving Saladino of Panama won the long jump at the FBK Games at Hengelo, Netherlands, with a leap of 28 feet, 7 3/4 inches, the seventh-best mark in history. The world record of 29-4 1/2 is held by Mike Powell.
The Los Angeles Riptide plays its Major League Lacrosse home opener tonight at 7 against the Chicago Machine at the Home Depot Center.