Phil Mickelson trash-talked Jordan Spieth at the Open Championship — and Phil is going to have to eat his words

Phil Mickelson is known far and wide for being one of golf's greatest champions — and one of the sport's biggest trash talkers. But the 47-year-old may have run his mouth one to many times at last week's Open Championship.

In 2013, Mickelson won his first and only British Open title after shooting a legendary final round of 66. The victory earned him the Claret Jug in addition to several privileges, including an exemption into the event through age 60 and a spot in the champions' section of the locker room.

30 PHOTOS
Phil Mickelson throughout his career
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Phil Mickelson throughout his career
CHARLOTTE, NC - MAY 14: Phil Mickelson yells four after teeing off on the 16th hole during round one at the Wells Fargo Championship at Quail Hollow Club on May 14, 2015 in Charlotte, North Carolina. (Photo by Jeff Gross/Getty Images)
Phil Mickelson watches the ball fly during a NCAA golfing event.
21 Feb 1993: Phil Mickelson lines up a putt during the 1993 Buick Invitational at the Torrey Pines Golf Course in Torrey Pines, California. Mandatory Credit: Gary Newkirk /Allsport
24 Feb 1995: Phil Mickelson looks on during the Nissan Los Angeles Open at the Riviera Country Club in Los Angeles, California.
27 Jan 1996: Phil Mickelson of the USA drives at the 17th hole during the final round of the Phoenix Open at the TPC of Scottsdale in Scottsdale, Arizona. Mickelson defeated Justin Leonard in a three-hole playoff. Mandatory Credit: Simon P. Barnett/Alls
9 Feb 1996: Golfer Phil Mickelson takes to the green during competition at the Buick Invitational at Torrey Pines Golf Course in La Jolla, CaliforniaCalifornia. Mickelson finished 17 under par for a 271. Davis Love III won the tournament by two strokes
8 Feb 1996: Phil Mickelson swings at the ball during the Buick Invitational in San Diego, California.
31 Jan 1998: Phil Mickelson during the AT&T National Pro-Am at Spyglass Golf Course in Pebble Beach, California. Mandatory Credit: Craig Jones /Allsport
23 Aug 1997: Phil Mickelson hugs Amy Mickelson at the NEC World Series of Golf at the Firestone Country Club in Akron, Ohio. Greg Norman went on to win the tournament.
10 Apr 1999: Phil Mickelson of the USA plays out the bunker during the 1999 US Masters at the Augusta National GC in Augusta, Georgia, USA. \ Mandatory Credit: Craig Jones /Allsport
18 Aug 2000: Phil Mickelson follows his drive during the PGA Championship, part of the PGA Tour at the Valhalla Golf Club in Louisville, Kentucky.Mandatory Credit: Andy Lyons /Allsport
25 Jan 2001: A silhouette of a golfer during the Phoenix open at the TPC Scottsdale in Scottsdale, Arizona.Mandatory Credit: Jon Ferrey /Allsport
8 Apr 2001: Phil Mickelson of the USA lines up a putt on the 4th green during the final day of the 2001 Masters at the Augusta National Golf Club, Augusta, GA, USA.....DIGITAL IMAGE. Mandatory Credit: Stephen Munday/ALLSPORT
15 Jun 2001: Phil Mickelson hits a long drive during the 101st US Open at the Southern Hills Country Club in Tulsa, Oklahoma.Mandatory Credit: Jamie Squire /Allsport
29 Nov 2001: Phil Mickelson plays golf at Whisper Rock, a course that he designed in Scottsdale, Arizona. Mandatory Credit: Scott Halleran/Getty Images
HILTON HEAD ISLAND, SC - APRIL 20: Phil Mickelson pulls a club during the third round of the WorldCom Classic at Harbour Town GL in Hilton Head Island, South Carolina on April 19, 2002. (Photo by Craig Jones/Getty Images)
GULLANE, SCOTLAND - JULY 16: Phil Mickelson of the USA waits to play his shot during the practice round for the 131st Open Championships at Muirfield Golf Club, Gullane, Scotland on July 16, 2002. (Photo by Andrew Redington/Getty Images)
THOMASTOWN - 19 SEPTEMBER: Phil Mickelson of the USA hits his approach to the second green during the first round of the World Golf Championships: American Express Championship at Mount Juliet Estate in Thomastown, Kilkenny, Ireland on September 19, 2002. (photo by Andrew Redington/Getty Images)
PUERTO VALLARTA, MEXICO - DECEMBER 14: (L-R) Phil Mickelson of USA celebrates his birdie on the 1st hole with David Toms of USA during the third round of the EMC World Cup at the Vista Vallarta Club de Golf on December 14, 2002 in Puerto Vallarta, Mexico. (Photo by Harry How/Getty Images)
OLYMPIA FIELDS, IL - JUNE 13: Phil Mickelson reacts to a missed putt during the second round of the 2003 US Open on the North Course at the Olympia Fields Country Club on June 13, 2003, Olympia Fields, Illinois. (Photo by Ross Kinnaird/Getty Images)
SANDWICH, ENGLAND - JULY 17: Phil Mickelson of the USA plays out from a bunker on the 16th hole during the first round of the Open Championship at the Royal St George's course on July 17, 2003 in Sandwich, England. (Photo by Ross Kinnaird/Getty Images)
AUGUSTA, UNITED STATES: Phil Mickelson (L) of the US receives the green jacket from 2003 Champion Mike Weir (R) of Canada at the awards ceremony after Mickelson made the birdie putt the 18th green during the final round of the Masters Golf Tournament 11 April 2004 at Augusta National Golf Club in Augusta, GA. Mickelson won the tournament at nine under par. AFP PHOTO/Timothy A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
Phil Mickelson checks the wind at Whistling Straits, site of the 86th PGA Championship in Haven, Wisconsin August 12, 2004. (Photo by A. Messerschmidt/Getty Images)
UNITED STATES - FEBRUARY 13: Phil Mickelson during the final round of the 2005 AT&T Pebble Beach National Pro-Am at Pebble Beach Golf Club in Pebble Beach, California on February 13, 2005. Mickelson won the event by four strokes at -19 par. (Photo by Mike Ehrmann/Getty Images)
MAMARONECK, NY - JUNE 15: Phil Mickelson hits a tee shot on the 15th hole during the first round of the 2006 US Open Championship at Winged Foot Golf Club on June 15, 2006 in Mamaroneck, New York. (Photo by Nick Laham/Getty Images)
AUGUSTA, GA - APRIL 09: Phil Mickelson is presented the green jacket by Tiger Woods after his 7-under par victory during the Final Round of The Masters at the Augusta National Golf Club on April 9, 2006 in Augusta, Georgia. (Photo by Getty Images)
STRAFFAN, IRELAND - AUGUST 28: Phil Mickelson of the USA speaks to the press during a USA Team Practice prior to the 2006 Ryder Cup at The K Club on August 28, 2006 in Straffan, Co. Kildare, Ireland. (Photo by Ian Walton/Getty Images)
PONTE VEDRA BEACH, FL - MAY 13: Phil Mickelson of the USA holds the trophy after the final round of THE PLAYERS held on the Stadium Course at The TPC Sawgrass, on May 13, 2007 in Ponte Vedra Beach, Florida. (Photo by David Cannon/Getty Images)
SINGAPORE - NOVEMBER 15: Phil Mickelson of USA in action during the 3rd round of the Barclays Singapore Open at Sentosa Golf Club on November 15, 2008 in Singapore. (Photo by Ian Walton/Getty Images)
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It was that last perk that led to Mickelson's latest quip. The veteran was preparing for a practice round when he decided to mess with one of the game's elite players. According to The Telegraph:

"The 47-year-old was in his normal playful demeanor, spotting Jordan Spieth walking into the wrong section of the locker room and telling his young countryman: 'This right here is for past champions.'"

Spieth must have really wanted a spot in that champions' locker room, because he promptly delivered a performance for the ages at Royal Birkdale. The Texan was the only player in the field to shoot four rounds in the 60s, and on Sunday afternoon, he became just the sixth player ever to go wire-to-wire at the Open Championship.

Mickelson has referred to his British Open win as his "greatest accomplishment," however he didn't earn a spot in the champions' locker room until he was 43. Next year, Mickelson is going to have to share the area with the 24-year-old Spieth.

17 PHOTOS
Spieth Wins British Open
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Spieth Wins British Open
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States celebrates victory as he poses with the Claret Jug on the 18th green during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Christian Petersen/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States celebrates victory as he poses with the Claret Jug on the 18th green during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Christian Petersen/Getty Images)
US golfer Jordan Spieth is applauded as he arrives to be presented with the Claret Jug, the trophy for the Champion golfer of the year after winning the 2017 British Open Golf Championship at Royal Birkdale golf course near Southport in north west England on July 23, 2017. Jordan Spieth won the British Open at Royal Birkdale on Sunday by three shots. It is Spieth's third major title after he won the Masters and US Open in 2015. / AFP PHOTO / Oli SCARFF / RESTRICTED TO EDITORIAL USE (Photo credit should read OLI SCARFF/AFP/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States acknowledges the crowd as he walks onto the 18th green during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Stuart Franklin/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States hits his third shot on the 18th green during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Gregory Shamus/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States embraces his caddie Michael Greller after victory on the 18th green during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Christian Petersen/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Matt Kuchar of the United States hits his second shot to the 15th hole during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Christian Petersen/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States tees off during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Stuart Franklin/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Matt Kuchar of the United States hits a bunker shot on the 15th hole during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Stuart Franklin/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States celebrates an eagle on the 15th hole during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Christian Petersen/Getty Images)
US golfer Jordan Spieth (C) considers his options on where to place the ball after taking a penalty drop for having an unplayable lie on the 13th hole during his final round on day four of the 2017 Open Golf Championship at Royal Birkdale golf course near Southport in north west England on July 23, 2017. / AFP PHOTO / Ben STANSALL / RESTRICTED TO EDITORIAL USE (Photo credit should read BEN STANSALL/AFP/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States considers his options with Rules Officials on the 13th hole during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Stuart Franklin/Getty Images)
Sweden's Alex Noren watches his iron shot from the 14th tee during his final round on day four of the 2017 Open Golf Championship at Royal Birkdale golf course near Southport in north west England on July 23, 2017. / AFP PHOTO / Oli SCARFF / RESTRICTED TO EDITORIAL USE (Photo credit should read OLI SCARFF/AFP/Getty Images)
US golfer Rickie Fowler watches his iron shot from the 14th tee during his final round on day four of the 2017 Open Golf Championship at Royal Birkdale golf course near Southport in north west England on July 23, 2017. / AFP PHOTO / Oli SCARFF / RESTRICTED TO EDITORIAL USE (Photo credit should read OLI SCARFF/AFP/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States celebrates an eagle on the 15th hole during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Stuart Franklin/Getty Images)
SOUTHPORT, ENGLAND - JULY 23: Jordan Spieth of the United States celebrates victory after the winning putt on the 18th green during the final round of the 146th Open Championship at Royal Birkdale on July 23, 2017 in Southport, England. (Photo by Stuart Franklin/Getty Images)
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