Sam Burns shot a second round 61 as he took a one-shot halfway lead at The American Express tournament in California.
Burns’ career-low round leaves him on 17 under par, one shot ahead of fellow American Michael Kim with South Korean’s KH Lee and American amateur Nick Dunlap a further shot back.
A pair of eagles and seven birdies had put Burns in with a chance of breaking 60, but he could only par the last two holes.
Dunlap, who plays at the University of Alabama, fired a 65 at the Stadium Course – one of three being used for the tournament – to follow his opening 64.
A group of six, including American Ryder Cup star Patrick Cantlay and joint overnight leader Alex Noren of Sweden, sit on 14 under par.
Ireland’s Shane Lowry shot a second round of 67 to lie seven shots off the lead.
| Pos. | Player | To Par | R1 | R2 | Total |
|---|---|---|---|---|---|
| 1 | Sam Burns(NT) | -17 | 66 | 61 | 127 |
| 2 | Michael Kim(NT) | -16 | 65 | 63 | 128 |
| T3 | K.H. Lee(NT) | -15 | 65 | 64 | 129 |
| T3 | Nick Dunlap(a) (SC) | -15 | 64 | 65 | 129 |
| T5 | Patrick Cantlay(NT) | -14 | 64 | 66 | 130 |
| T5 | Eric Cole(LQ) | -14 | 66 | 64 | 130 |
| T5 | Adam Hadwin(SC) | -14 | 65 | 65 | 130 |
| T5 | Si Woo Kim(NT) | -14 | 64 | 66 | 130 |
| T5 | Christiaan Bezuidenhout(NT) | -14 | 63 | 67 | 130 |
| T5 | Alex Noren(NT) | -14 | 62 | 68 | 130 |
| T11 | Chesson Hadley(NT) | -13 | 65 | 66 | 131 |
| T11 | Zach Johnson(NT) | -13 | 62 | 69 | 131 |
| T11 | Chan Kim(SC) | -13 | 64 | 67 | 131 |
| T11 | Min Woo Lee(SC) | -13 | 65 | 66 | 131 |
| T11 | Alexander Björk(NT) | -13 | 64 | 67 | 131 |
| T11 | Jimmy Stanger(SC) | -13 | 65 | 66 | 131 |
| T17 | Ben Kohles(NT) | -12 | 66 | 66 | 132 |
| T17 | Ryo Hisatsune(NT) | -12 | 65 | 67 | 132 |
| T17 | Kevin Yu(SC) | -12 | 66 | 66 | 132 |
| T17 | Ben Martin(LQ) | -12 | 68 | 64 | 132 |
| T17 | Chris Kirk(NT) | -12 | 68 | 64 | 132 |
| T17 | Justin Lower(SC) | -12 | 64 | 68 | 132 |
| T17 | Justin Thomas(NT) | -12 | 65 | 67 | 132 |
| T17 | J.T. Poston(LQ) | -12 | 67 | 65 | 132 |
| T17 | Scott Stallings(LQ) | -12 | 64 | 68 | 132 |
| T26 | Cam Davis(SC) | -11 | 68 | 65 | 133 |
| T26 | Erik Barnes(NT) | -11 | 68 | 65 | 133 |
| T26 | Scottie Scheffler(NT) | -11 | 67 | 66 | 133 |
| T26 | Matthieu Pavon(SC) | -11 | 67 | 66 | 133 |
| T26 | Matt NeSmith(SC) | -11 | 67 | 66 | 133 |
| T26 | Erik van Rooyen(NT) | -11 | 66 | 67 | 133 |
| T26 | Mac Meissner(LQ) | -11 | 65 | 68 | 133 |
| T26 | Sungjae Im(SC) | -11 | 66 | 67 | 133 |
| T26 | Xander Schauffele(NT) | -11 | 64 | 69 | 133 |
| T26 | Rico Hoey(SC) | -11 | 63 | 70 | 133 |
| T36 | Troy Merritt(SC) | -10 | 70 | 64 | 134 |
| T36 | Ben Griffin(NT) | -10 | 66 | 68 | 134 |
| T36 | Davis Thompson(NT) | -10 | 67 | 67 | 134 |
| T36 | Andrew Putnam(SC) | -10 | 66 | 68 | 134 |
| T36 | Paul Barjon(SC) | -10 | 70 | 64 | 134 |
| T36 | Stephan Jaeger(SC) | -10 | 69 | 65 | 134 |
| T36 | Wyndham Clark(NT) | -10 | 70 | 64 | 134 |
| T36 | Carson Young(LQ) | -10 | 70 | 64 | 134 |
| T36 | Zac Blair(SC) | -10 | 67 | 67 | 134 |
| T36 | Austin Eckroat(SC) | -10 | 69 | 65 | 134 |
| T36 | Kevin Streelman(NT) | -10 | 67 | 67 | 134 |
| T36 | Shane Lowry(NT) | -10 | 67 | 67 | 134 |
| T36 | Jason Day(NT) | -10 | 68 | 66 | 134 |
| T36 | Yuxin Lin(LQ) | -10 | 70 | 64 | 134 |
| T36 | Hayden Springer(LQ) | -10 | 64 | 70 | 134 |
| T51 | Sam Ryder(LQ) | -9 | 69 | 66 | 135 |
| T51 | Joe Highsmith(SC) | -9 | 66 | 69 | 135 |
| T51 | Max Greyserman(SC) | -9 | 67 | 68 | 135 |
| T51 | Vince Whaley(NT) | -9 | 67 | 68 | 135 |
| T51 | Alex Smalley(SC) | -9 | 66 | 69 | 135 |
| T51 | Bronson Burgoon(LQ) | -9 | 66 | 69 | 135 |
| T51 | Nick Taylor(SC) | -9 | 68 | 67 | 135 |
| T51 | Charley Hoffman(NT) | -9 | 69 | 66 | 135 |
| T51 | Sam Stevens(LQ) | -9 | 70 | 65 | 135 |
| T51 | Tony Finau(NT) | -9 | 68 | 67 | 135 |
| T51 | Ben Silverman(NT) | -9 | 68 | 67 | 135 |
| T62 | Matti Schmid(SC) | -8 | 69 | 67 | 136 |
| T62 | Chez Reavie(LQ) | -8 | 66 | 70 | 136 |
| T62 | Parker Coody(NT) | -8 | 68 | 68 | 136 |
| T62 | David Skinns(LQ) | -8 | 69 | 67 | 136 |
| T62 | Thomas Detry(LQ) | -8 | 70 | 66 | 136 |
| T62 | Keith Mitchell(SC) | -8 | 69 | 67 | 136 |
| T62 | Tyler Duncan(LQ) | -8 | 67 | 69 | 136 |
| T62 | Will Gordon(NT) | -8 | 67 | 69 | 136 |
| T62 | Tom Whitney(LQ) | -8 | 66 | 70 | 136 |
| T62 | Daniel Berger(LQ) | -8 | 68 | 68 | 136 |
| T62 | Jacob Bridgeman(NT) | -8 | 67 | 69 | 136 |
| T62 | Mark Hubbard(LQ) | -8 | 70 | 66 | 136 |
| T74 | Peter Malnati(LQ) | -7 | 71 | 66 | 137 |
| T74 | John Pak(NT) | -7 | 69 | 68 | 137 |
| T74 | Doug Ghim(LQ) | -7 | 68 | 69 | 137 |
| T74 | Joel Dahmen(SC) | -7 | 68 | 69 | 137 |
| T74 | Adam Schenk(LQ) | -7 | 70 | 67 | 137 |
| T74 | Tom Hoge(NT) | -7 | 69 | 68 | 137 |
| T74 | Camilo Villegas(LQ) | -7 | 69 | 68 | 137 |
| T74 | Brandon Wu(NT) | -7 | 69 | 68 | 137 |
| T74 | Akshay Bhatia(NT) | -7 | 70 | 67 | 137 |
| T74 | Nico Echavarria(NT) | -7 | 67 | 70 | 137 |
| T74 | Will Zalatoris(LQ) | -7 | 68 | 69 | 137 |
| T74 | Kevin Dougherty(NT) | -7 | 66 | 71 | 137 |
| T74 | Taylor Montgomery(SC) | -7 | 68 | 69 | 137 |
| T74 | Ryan Palmer(NT) | -7 | 68 | 69 | 137 |
| T74 | Chad Ramey(LQ) | -7 | 72 | 65 | 137 |
| T89 | Josh Teater(SC) | -6 | 68 | 70 | 138 |
| T89 | Lanto Griffin(LQ) | -6 | 73 | 65 | 138 |
| T89 | Justin Suh(NT) | -6 | 71 | 67 | 138 |
| T89 | Garrick Higgo(LQ) | -6 | 69 | 69 | 138 |
| T89 | Tyler McCumber(LQ) | -6 | 70 | 68 | 138 |
| T89 | Rickie Fowler(NT) | -6 | 70 | 68 | 138 |
| T89 | Jhonattan Vegas(LQ) | -6 | 68 | 70 | 138 |
| T89 | Hayden Buckley(LQ) | -6 | 72 | 66 | 138 |
| T89 | Lee Hodges(LQ) | -6 | 71 | 67 | 138 |
| T89 | Alejandro Tosti(SC) | -6 | 66 | 72 | 138 |
| T89 | Harrison Endycott(LQ) | -6 | 70 | 68 | 138 |
| T100 | S.H. Kim(LQ) | -5 | 68 | 71 | 139 |
| T100 | Martin Laird(LQ) | -5 | 69 | 70 | 139 |
| T100 | Nicholas Lindheim(LQ) | -5 | 73 | 66 | 139 |
| T100 | Dylan Wu(SC) | -5 | 69 | 70 | 139 |
| T100 | Maverick McNealy(NT) | -5 | 73 | 66 | 139 |
| T100 | Greyson Sigg(NT) | -5 | 70 | 69 | 139 |
| T100 | Beau Hossler(LQ) | -5 | 69 | 70 | 139 |
| T100 | Nate Lashley(LQ) | -5 | 72 | 67 | 139 |
| T100 | Grayson Murray(LQ) | -5 | 70 | 69 | 139 |
| T100 | Taiga Semikawa(NT) | -5 | 68 | 71 | 139 |
| T100 | Norman Xiong(LQ) | -5 | 73 | 66 | 139 |
| T100 | Carl Yuan(SC) | -5 | 68 | 71 | 139 |
| T100 | Matt Wallace(SC) | -5 | 67 | 72 | 139 |
| T100 | Adrien Dumont de Chassart(NT) | -5 | 68 | 71 | 139 |
| T114 | James Hahn(LQ) | -4 | 69 | 71 | 140 |
| T114 | Aaron Baddeley(LQ) | -4 | 74 | 66 | 140 |
| T114 | Aaron Rai(NT) | -4 | 69 | 71 | 140 |
| T114 | Brandt Snedeker(NT) | -4 | 75 | 65 | 140 |
| T114 | Billy Horschel(LQ) | -4 | 72 | 68 | 140 |
| T114 | Robert MacIntyre(NT) | -4 | 71 | 69 | 140 |
| T114 | David Lipsky(SC) | -4 | 70 | 70 | 140 |
| T114 | Tom Kim(SC) | -4 | 69 | 71 | 140 |
| T114 | Matt Kuchar(SC) | -4 | 73 | 67 | 140 |
| T114 | Scott Gutschewski(SC) | -4 | 71 | 69 | 140 |
| T114 | Chandler Phillips(LQ) | -4 | 70 | 70 | 140 |
| T125 | Bill Haas(NT) | -3 | 68 | 73 | 141 |
| T125 | Ben Taylor(NT) | -3 | 70 | 71 | 141 |
| T125 | Callum Tarren(SC) | -3 | 71 | 70 | 141 |
| T125 | Blaine Hale, Jr.(SC) | -3 | 71 | 70 | 141 |
| T125 | Patrick Fishburn(LQ) | -3 | 69 | 72 | 141 |
| T130 | Jason Dufner(SC) | -2 | 69 | 73 | 142 |
| T130 | Ryan McCormick(SC) | -2 | 74 | 68 | 142 |
| T130 | Robby Shelton(SC) | -2 | 68 | 74 | 142 |
| T130 | David Lingmerth(SC) | -2 | 70 | 72 | 142 |
| T130 | Joseph Bramlett(SC) | -2 | 69 | 73 | 142 |
| T130 | Trace Crowe(LQ) | -2 | 70 | 72 | 142 |
| T130 | J.B. Holmes(LQ) | -2 | 73 | 69 | 142 |
| T130 | Adam Long(NT) | -2 | 70 | 72 | 142 |
| T130 | Davis Riley(SC) | -2 | 72 | 70 | 142 |
| T139 | Sami Valimaki(LQ) | -1 | 74 | 69 | 143 |
| T139 | Taylor Pendrith(SC) | -1 | 71 | 72 | 143 |
| T139 | Wilson Furr(SC) | -1 | 66 | 77 | 143 |
| T139 | Michael Block(LQ) | -1 | 72 | 71 | 143 |
| T139 | Harry Hall(LQ) | -1 | 75 | 68 | 143 |
| T144 | Andrew Novak(SC) | Par | 72 | 72 | 144 |
| T144 | Andrew Landry(SC) | Par | 71 | 73 | 144 |
| T144 | Roger Sloan(SC) | Par | 76 | 68 | 144 |
| T144 | Ryan Brehm(LQ) | Par | 76 | 68 | 144 |
| T144 | Jake Knapp(NT) | Par | 71 | 73 | 144 |
| T149 | Patton Kizzire(LQ) | +1 | 71 | 74 | 145 |
| T149 | Chris Gotterup(SC) | +1 | 77 | 68 | 145 |
| T149 | Raul Pereda(SC) | +1 | 72 | 73 | 145 |
| T152 | Ryan Moore(SC) | +2 | 70 | 76 | 146 |
| T152 | Cameron Champ(SC) | +2 | 74 | 72 | 146 |
| T152 | Pierceson Coody(NT) | +2 | 71 | 75 | 146 |
| 155 | Kevin Kisner(LQ) | +5 | 74 | 75 | 149 |
| 156 | Tyson Alexander(LQ) | +6 | 78 | 72 | 150 |

Simon Bale
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