The US PGA Championship (103rd) (May 20-23). Second-placed Louis Oosthuizen (RSA) and Brooks Koepka (USA) finished 2 shots behind Phil Mickelson (USA). In winning his sixth major aged 50 years 11 months 7 days, Mickelson became golf's oldest major championship winner. Previously that record had been held for 53 years by Julius Boros (USA), who, aged 48, won the 1968 PGA Championship. [The Ocean Course, Kiawah Island, SC].

Played as the inaugural Charles Schwab Series at Ozarks National (Aug 24-26). Second-placed Tim Petrovic (USA) finished 4 shots behind wire-to-wire winner Phil Mickelson (USA), who at 50 years old was making his PGA Tour Champions debut. [Ozarks National courses, Big Cedar Lodge, Branson, Missouri].

Played as the Dominion Energy Charity Classic (Oct 16-18). Second-placed Mike Weir (Can) finished 3 shots behind Phil Mickelson (USA), who joined Jim Furyk (2020) and Bruce Fleisher (1999) as the only players to win their first two PGA Tour Champions starts. [James River course, The CC of Virginia, Richmond, VA].

Played as the AT&T Pebble Beach National Pro-Am (Feb 7-10). Second-placed Paul Casey (Eng) finished 3 shots behind Mickelson (USA), who won this event for the fifth time. [Pebble Beach Links, Monterey Peninsula, CA. Earlier rounds also at: Monterey Peninsula CC (Shore course) and Spyglass Hill GC].

Played as the WGC-Mexico Championship (March 1-4). Mickelson (USA) beat Justin Thomas (USA) at the first playoff hole (par-3 17th), to record his first PGA Tour win for almost five years. [GC Chapultepec, Naucalpan, Mexico City].

The Open Championship (142nd) (July 18-21). Second-placed Henrik Stenson (Swe) finished 3 shots behind Mickelson (USA), whose 5-under-par 66 in the final round ensured he was the only player to finish the championship below par. This was Mickelson's fifth major championship victory. Having won the Scottish Open a week earlier it also gave him back-to-back wins. [Muirfield - The Honourable Company of Edinburgh Golfers, East Lothian].

Played as the Waste Management Phoenix Open (Jan 31-Feb 3). Second-placed Brandt Snedeker (USA) finished 4 shots behind Mickelson (USA), who claimed his third win in this event. [Stadium course, TPC Scottsdale, Phoenix, AZ].

Played as the Aberdeen Asset Mgt Scottish Open (July 11-14). Phil Mickelson (USA) beat Branden Grace (RSA) with a birdie at the first playoff hole. [Castle Stuart Links, nr Inverness].

Played as the AT&T Pebble Beach National Pro-Am (Feb 9-12). Second-placed Charlie Wi (S Kor) finished 2 shots behind Mickelson (USA), who recorded his 40th PGA Tour win and fourth win in this event. [Pebble Beach Links, Monterey Peninsula, CA. Earlier rounds also at: Monterey Peninsula CC and Spyglass Hill GC].

Played as the Shell Houston Open (Mar 31-Apr 3). Second-placed Chris Kirk (USA) and Scott Verplank (USA) finished 3 shots behind Phil Mickelson (USA). [Tournament course, GC of Houston, Humble, TX. At the time known as Redstone GC].

The Masters Tournament (74th) (April 8-11). Second-placed Lee Westwood (Eng) finished 3 shots behind Mickelson (USA), who won his third Masters green jacket and the fourth major of his career. [Augusta National GC, Augusta, GA].

Played as the Tour Championship presented by Coca-Cola (Sept 24-27; last of four FedExCup playoff events). Second-placed Tiger Woods (USA) finished 3 shots behind Mickelson (USA). Woods' second-place gave him enough points to win the season-long FedEx Cup and associated $10 million bonus. [East Lake GC, Atlanta, GA].

Played as the WGC-CA Championship (March 12-15). Second-placed Nick Watney (USA) finished 1 shot behind Mickelson (USA), who recorded his first WGC win, after 27 attempts. [Blue Monster course, Doral Golf Resort, Miami, FL].

Played as the inaugural WGC-HSBC Champions (Nov 5-8; co-sanctioned by world's leading mens professional tours; previously the HSBC Champions, which was not a WGC event). Second-placed Ernie Els (RSA) finished 1 shot behind Mickelson (USA), who claimed his second HSBC Champions title in three yrs. [Sheshan Intl GC, Shanghai, China].

Played as the Northern Trust Open (Feb 19-22). Second-placed Steve Stricker (USA) finished 1 shot behind defending champion Mickelson (USA). [Riviera CC, Pacific Palisades, Los Angeles, CA].

Played as the Northern Trust Open (Feb 14-17; formerly Nissan Open). Second-placed Jeff Quinney (USA) finished 2 shots behind Mickelson (USA). [Riviera CC, Pacific Palisades, Los Angeles, CA].

Played as the Crowne Plaza Invitational at Colonial (May 22-25). Second-placed Tim Clark (RSA) and Rod Pampling (Aus) finished 1 shot behind Phil Mickelson (USA). [Colonial CC, Ft Worth, TX].

Played as the Deutsche Bank Championship (Aug 31-Sep 3; second of four FedExCup playoff events). Second-placed Tiger Woods (USA), Brett Wetterich (USA) and Arron Oberholser (USA) finished 2 shots behind Phil Mickelson (USA). [TPC Boston, Norton, Mass.].

Played as the HSBC Champions (Nov 8-11; Asian/Eurpn Trs event; Eurpn Tr 2008 season opener). Mickelson (USA) beat Lee Westwood (Eng) and Ross Fisher (Eng) with a birdie at the second playoff hole. [Sheshan Intl GC, Shanghai, China].

Played as The Players Championship (May 10-13). Second-placed Sergio García (Esp) finished 2 shots behind Mickelson (USA). [Stadium Course, TPC Sawgrass, Ponte Vedra Beach, FL].

Played as the AT&T Pebble Beach National Pro-Am (Feb 8-11). Second-placed Kevin Sutherland (USA) finished 5 shots behind Mickelson (USA), who recorded his 30th PGA Tour win and third in this event. [Pebble Beach Links, Monterey Peninsula, CA. Earlier rounds also at: Poppy Hills GC and Spyglass Hill GC].

Played as the BellSouth Classic (Mar 30-Apr 2). Second-placed José María Olazábal (Esp) and Zach Johnson (USA) finished 13 shots behind defending champion Mickelson (USA). This was Mickelson's lowest ever four-round total in a PGA Tour event and the fourth lowest score in relation to par in PGA Tour history. [TPC Sugarloaf, Duluth, Georgia].

The Masters Tournament (70th) (April 6-9). Second-placed Tim Clark (RSA) finished 2 shots behind Mickelson (USA). Winless in his first 42 major championship appearances, this was the third of three majors won by Mickelson in the subsequent nine outings. [Augusta National GC, Augusta, GA].

Played as the BellSouth Classic (Mar 31-Apr 3). Mickelson (USA) won a five-way playoff, beating Rich Beem (USA) with a birdie at the fourth extra hole. Arjan Atwal (Ind) and Brandt Jobe (USA) were eliminated at the first playoff hole. José María Olazábal (Esp) was eliminated at the third playoff hole. [TPC Sugarloaf, Duluth, Georgia].

Played as the FBR Open (Feb 3-6). Second-placed Scott McCarron (USA) and Kevin Na (S Kor/USA) finished 5 shots behind Mickelson (USA), whose second round 60 set-up his win. [Stadium course, TPC Scottsdale, Phoenix, AZ].

Played as the AT&T Pebble Beach National Pro-Am (Feb 10-13). Second-placed Mike Weir (Can) finished 4 shots behind Mickelson (USA), who recorded his second win in as many weeks, following his Phoenix Open triumph. [Pebble Beach Links, Monterey Peninsula, CA. Earlier rounds also at: Poppy Hills GC and Spyglass Hill GC].

The US PGA Championship (87th) (Aug 11-14). Second-placed Thomas Bjørn (Den) and Steve Elkington (Aus) finished 1 shot behind Mickelson (USA), who recorded his second major championship win. Monday finish required after weather delays on the Sunday. [Lower course, Baltusrol GC, Springfield, NJ].

Played as the PGA Grand Slam of Golf (Nov 23/24; 36-hole unofficial PGA Tour event for the season's four Major winners). Second-placed Vijay Singh (US PGA) finished 5 shots behind Mickelson (The Masters). Third on 133 was Retief Goosen (US Open). Fourth on 145 was Todd Hamilton (The Open). [Poipu Bay GC, Koloa, Kauai, Hawaiian Islands].

The Masters Tournament (68th) (April 8-11). Second-placed Ernie Els (RSA) finished 1 shot behind Mickelson (USA), who recorded his first major championship win with a birdie at the last. Mike Weir was the first left-hander to win the Masters (in 2003); a year later Mickelson became the second. [Augusta National GC, Augusta, GA].

Played as the Bob Hope Chrysler Classic (Jan 21-25). Mickelson (USA) beat Skip Kendall (USA) with a birdie at the first playoff hole, to record his second win in this event in three years. [Palmer (private) course, PGA West, La Quinta, CA. Earlier rounds also at: Bermuda Dunes CC; Indian Wells CC; La Quinta CC].

Played as the Canon Greater Hartford Open (June 20-23). Second-placed Jonathan Kaye (USA) and Davis Love III (USA) finished 1 shot behind defending champion Phil Mickelson (USA). [TPC River Highlands, Cromwell, CT].

Played as the Bob Hope Chrysler Classic (Jan 16-20). Mickelson (USA) beat David Berganio Jr (USA) with a birdie at the first playoff hole, to record his 20th PGA Tour win. [Palmer (private) course, PGA West, La Quinta, CA. Earlier rounds also at: Bermuda Dunes CC; Indian Wells CC; Tamarisk CC].

Played as the Buick Invitational (Feb 8-11). Defending champion Mickelson (USA) beat Frank Lickliter II (USA) with a double bogey at the third playoff hole. Davis Love III (USA) was eliminated at the second playoff hole. [South course, Torrey Pines, La Jolla, CA; earlier rounds on North & South courses].

Played as the Canon Greater Hartford Open (50th) (Jun 28-Jul 1). Second-placed Billy Andrade (USA) finished 1 shot behind Phil Mickelson (USA). [TPC River Highlands, Cromwell, CT].

Played as the Buick Invitational (Feb 10-13). Second-placed Shigeki Maruyama (Jpn) and defending champion Tiger Woods (USA) finished 4 shots behind Mickelson (USA). [South course, Torrey Pines, La Jolla, CA].

Played as the BellSouth Classic (Mar 30-Apr 2). Mickelson (USA) beat Gary Nicklaus (USA) with a birdie at the first playoff hole (par-3 16th). Final round cancelled due to heavy rain. [TPC Sugarloaf, Duluth, Georgia].

Played as the Tour Championship (Nov 2-5). Second-placed Tiger Woods (USA) finished 2 shots behind Mickelson (USA). This was the first time in 20 tournaments, dating back to his third professional start in 1996, that Woods led after 54 holes but didn't close-out the win. [East Lake GC, Atlanta, GA].

Played as the MasterCard Colonial (May 18-21). Second-placed Stewart Cink (USA) and Davis Love III (USA) finished 2 shots behind Phil Mickelson (USA). [Colonial CC, Ft Worth, TX].

Played as the Mercedes Championships (Jan 8-11; PGA Tour season opener). Second-placed Tiger Woods (USA) and Mark O'Meara (USA) finished 1 shot behind Mickelson (USA). [North course, La Costa Resort, Carlsbad, Calif. Now known as Champions course].

Played as the AT&T Pebble Beach National Pro-Am (Jan 29-Feb 1). Second-placed Tom Pernice Jr (USA) finished 1 shot behind Mickelson (USA). Event reduced to 54 holes due to bad weather. [Pebble Beach Links, Monterey Peninsula, CA. Earlier rounds also at: Poppy Hills GC and Spyglass Hill GC].

Played as the Sprint International (July 31-Aug 3; modified stableford format). Second-placed Stuart Appleby (Aus) finished 7 shots behind Mickelson (Eng). [Castle Pines GC, Castle Rock, nr Denver, Colorado].

Played as the Bay Hill Invitational presented by Office Depot (March 20-23). Second-placed Stuart Appleby (Aus) finished 3 shots behind Mickelson (USA), who recorded his tenth PGA Tour win. [Bay Hill Club, Orlando, FL].

Played as the Phoenix Open (Jan 24-27). Mickelson (USA) beat Justin Leonard (USA) with a birdie at the third playoff hole. [Stadium course, TPC Scottsdale, Phoenix, AZ].

Played as the Nortel Open (Jan 11-14). Second-placed Bob Tway (USA) finished 2 shots behind defending champion Phil Mickelson (USA), who recorded his third win in this event. [Catalina course, Tucson National Resort, Tucson, AZ; first two days also used Starr Pass GC].

Played as the GTE Byron Nelson Golf Classic (May 9-12). Second-placed Craig Parry (Aus) finished 2 shots behind Mickelson (USA). [TPC course, Four Seasons Resort Las Colinas, Irving, nr Dallas, TX. Early rounds also on the Cottonwood Valley course].

Played as the NEC World Series of Golf (Aug 22-25). Second-placed Billy Mayfair (USA), Steve Stricker (USA) and Duffy Waldorf (USA) finished 3 shots behind Phil Mickelson (USA). [South course, Firestone CC, Akron, Ohio].

Played as the Northern Telecom Open (Jan 19-22). Second-placed Jim Gallagher Jr (USA) and Scott Simpson (USA) finished 1 shot behind Phil Mickelson (USA), who recorded his fifth PGA Tour win. [Catalina course, Tucson National Resort, Tucson, AZ; first two days also used Starr Pass GC].

Played as the Mercedes Championships (Jan 6-9; PGA Tour season opener). Mickelson (USA) beat Fred Couples (USA) with a par at the second playoff hole. [North course, La Costa Resort, Carlsbad, Calif. Now known as Champions course].

Played as the Buick Invitational of California (Feb 18-21). Second-placed Dave Rummells (USA) finished 4 shots behind Mickelson (USA), who recorded his first win as a professional (having already won on the PGA Tour as an amateur). [South course, Torrey Pines, La Jolla, CA].

Played as The International (Aug 19-22; modified stableford format). Second-placed Mark Calcavecchia (USA) finished 8 points behind Mickelson (USA). [Castle Pines GC, Castle Rock, nr Denver, Colorado].

Played as the Northern Telecom Open (Jan 10-13). Second-placed Bob Tway (USA) and Tom Purtzer (USA) finished 1 shot behind Phil Mickelson (USA, amateur). 20-year-old Mickelson, who forfeited the $180,000 first prize, recorded his first PGA Tour win. [Starr Pass GC, Tucson, AZ; at the time known as TPC at Starr Pass. First two days also used the Catalina course, Tucson National Resort].

The US Amateur Championship (90th) (Aug 21-26). Phil Mickelson (USA) beat Manny Zerman (USA) 5 and 4 in the 36-hole final. [Cherry Hills CC, Englewood, CO].