By PGATOUR.COM staff

Phil Mickelson carded the 27th round of 60 in PGA TOUR history on Thursday at the Waste Management Phoenix Open in Scottsdale, Ariz. Twenty-five players have carded that number -- only two, Mickelson and Zach Johnson have done it twice.

Here is a list of all of the 60s in PGA TOUR history, in chronological order.

1951 -- Al Brosch, Texas Open (11-under), Brackenridge Park GC, third round
1952 -- Bill Nary, El Paso Open (11-under), El Paso CC, third round
1954 -- Ted Kroll (30-30), Texas Open (11- under), Brackenridge Park GC, third round
1954 -- Wally Ulrich (29-31), Virginia Beach Open (9-under), Cavalier Yacht & CC, second round
1954 -- Tommy Bolt (30-30), Insurance City Open (11-under), Wethersfield CC, second round
1955 -- Mike Souchak (27-33), Texas Open (11-under), Brackenridge Park GC, first round
1957 -- Sam Snead, Dallas Open (11-under), Glen Lakes CC, second round
1990 -- David Frost (29-31), Northern Telecom Tucson Open (12- under), Randolph Park GC, second round
1994 -- Davis Love III (31-29), United Airlines Hawaiian Open (12-under), Waialae CC, second round
1996 -- Grant Waite (31-29), Phoenix Open (11-under), TPC Scottsdale, final round
1997 -- Steve Lowery (29-31), Buick Challenge (12-under), Callaway Gardens (Mountain View Course), final round
1999 -- Tommy Armour III (30-30), Las Vegas Invitational (12-under), Las Vegas CC, second round
2001 -- Mark Calcavecchia (29-31), Phoenix Open (11-under), TPC Scottsdale, second round
2004 -- Robert Gamez (27-33), Bob Hope Chrysler Classic (12-under), Indian Wells CC, third round
2004 -- Bart Bryant (29-31), Valero Texas Open (10-under), The Resort Course at La Cantera, third round
2005 -- Phil Mickelson (29-31), FBR Open (11-under), TPC Scottsdale, second round
2006 -- Pat Perez (30-30), Bob Hope Chrysler Championship (12-under), Palmer Course at PGA West, first round
2006 -- Arron Oberholser (30-30), EDS Byron Nelson Championship (10-under), Cottonwood Valley Course, second round
2006 -- Justin Rose (29-31), FUNAI Classic at Walt Disney World Resort (12-under), Palm Course, first round
2007 -- Zach Johnson (31-29), TOUR Championship (10-under), East Lake GC, third round
2009 -- Zach Johnson (30-30), Valero Texas Open (10-under), The Resort Course at La Cantera, third round
2010 -- Steve Stricker (30-30), John Deere Classic (12-under), TPC Deere Run, first round
2010 -- Carl Pettersson (31-29), RBC Canadian Open (10-under), St. George's G&CC, third round
2010 -- J.B. Holmes (30-30), Greenbrier Classic (10-under), The Greenbrier (Old White), third round
2011 -- Patrick Cantlay* (30-30), Travelers Championship (10-under), TPC River Highlands, second round
2012 -- Tommy Gainey (31-29), The McGladrey Classic (10-under), Sea Island GC (Seaside), final round
2013 -- Phil Mickelson (31-29), Waste Management Phoenix Open (11-under), TPC Scottsdale, first round

* -- Amateur