Jason Kokrak earned a record lead at the AT&T Byron Nelson as two-time major champion Jordan Spieth sensationally missed the cut.
Kokrak was the star performer on Friday after carding an almost flawless eight-under-par 62.
The American's performance saw him move five shots clear to 12 under atop the leaderboard – the greatest 36-hole lead at the PGA Tour tournament since David Love III's four-stroke advantage in 2000.
Billy Horschel (65) is second heading into the weekend, but world number one Dustin Johnson is lurking in Irving, Texas.
U.S. Open champion Johnson posted back-to-back 67s to be tied for third at six under following the second round.
Teeing off on the back nine, Johnson was flawless as he birdied the 18th before adding another three consecutive birdies from the fifth to the seventh at Four Seasons Resort and Club Dallas.
Johnson would have been five shots adrift had he not bogeyed his final hole.
An Byeong-hun (66), Cameron Tringale (68), Bud Cauley (67), overnight leader James Hahn (70) and Jhonattan Vegas (68) are also six under.
Former world number one Jason Day is nine shots behind Kokrak following his second-round 69.
Masters winner and defending champion Sergio Garcia posted a five-under-par 65 to be two under through 36.
However, it was a day to forget for Spieth after he farewelled the tournament.
Spieth fired a five-over 75 with a quadruple-bogey nine on the par-five 16th hole as he missed the cut for the third time in four starts.
Spieth was well inside the cut line before the implosion that forced him to re-tee twice.
25 de febrero 2018
|Montpellier pull clear of Racing in Top 14|
24 de febrero 2018
|Connacht bring Benetton back to earth|
|Butler suffers meniscus injury but Timberwolves ease ACL fears|
|Play like it´s a friendly - Guardiola reveals finals secret ahead of Arsenal clash|
|Barcelona equal record for unbeaten LaLiga run|
|Jones fronts up after Scotland smash England|
|Wales disappoint Gatland: We were the creators of our own demise|
|Inter 2 Benevento 0: Nerazzurri pick up much-needed win at San Siro|
|Barcelona 6 Girona 1: Suarez treble and Messi masterclass settle Catalan clash|
|Messi makes Girona 36th LaLiga victims to set new record|
|Nigeria demolish Rwanda in FIBA qualifying|
|Jonker shines but India still seal T20 series|
|Deeney ´not bothered´ after ending drought from open play|
|Tigers back to business after Hardaker departure|
|Championship Review: Fulham beat Wolves, Sunderland hold Boro in ill-tempered thriller|
|Lions bounce back to win, Schoeman leaves it late for Bulls|
|Russell eyes Six Nations title after inspiring Scotland to win over England|
|Watford 1 Everton 0: Stunning Deeney finish moves hosts six clear of trouble|
|Benitez rues missed chances as Newcastle lose two-goal lead|
|Heynckes ´can live´ with home Bayern draw|
|Ronaldo is a team player - Zidane hails Real Madrid star´s Benzema gesture|
|West Ham fans reference Hitler in protest at club´s owners|
|Dyche dismayed by decisions before Gabbiadini goal|
|Russell´s redemption comes as Scotland seal rare England win|
|Wagner impressed with Huddersfield´s commitment after vital win|
|No place like home for Schmidt as Ireland leave it late to sink Wales|
|Liverpool win had everything – Klopp enthuses over West Ham´s Anfield rout|
|Khachanov sets up Pouille final after Berdych upset|
|Dunk equals record for own goals in a single Premier League season|
|Chiefs return to winning ways in thriller|
|Real Madrid 4 Alaves 0: Ronaldo at the double as ´BBC´ delight|
|Burnley 1 Southampton 1: Gabbiadini grabs late leveller|
|Brighton and Hove Albion 4 Swansea City 1: Two-goal Murray helps end Swans´ unbeaten run|
|Bournemouth 2 Newcastle United 2: Hosts in thrilling fightback after Gayle double|
|West Brom 1 Huddersfield Town 2: Van La Parra and Mounie seal vital win|
|Liverpool 4 West Ham 1: Salah nets again as Reds climb to second|
|Svitolina retains Dubai crown as Kasatkina runs out of steam|
|Ill Neymar included in PSG squad for Le Classique|
|Bayern Munich 0 Hertha Berlin 0: Lewandowski´s run ends as leaders are held at home|
|Ireland see off Wales in Dublin thriller to stay perfect|
|Gattuso surprised by AC Milan´s growth since taking over|
|Lambert defends ´best goalkeeper in Britain´ Butland after own goal error|
|Stokes expected to face Black Caps|
|Mkhitaryan, Ozil potential excites Mertesacker|
|A-League Review: Perth Glory in dramatic win, Melbourne Victory end losing streak|
|Leicester City 1 Stoke City 1: Butland howler costs Potters|
|Matic insists Man Utd can still do ´big things´|
|Fisher´s birdie streak secures share of Qatar Masters lead|
|Chinese Super League transfer window makes Simeone ´uncomfortable´|
|Ingolstadt score bizarre tap-in after Duisburg goalkeeper goes AWOL|
|Allegri cautious over Dybala fitness despite Higuain injury|
|Napoli´s Zielinski better than De Bruyne, claims Boniek|
|Seven-try Crusaders beat Chiefs, Waratahs and Brumbies win|
|Mourinho predicts ´amazing´ period for Manchester United|
|Mears expects ´good England win´ at Murrayfield|
|Barcelona midfielder Rafinha hoping to seal permanent Inter move|
|EFL Cup final: Where do Aguero and Aubameyang rank among Europe´s elite?|
|Klaasen and Mulder get Proteas Test call to face Australia|
|Settled Salah demands Champions League qualification for Liverpool|
|England not polished article - Shaw|
|Dembele staying focused after ´genius´ praise from Pochettino|
|Spain survive scare, USA cruise in World Cup qualifying|
|Shapovalov moves into Delray Beach Open semis|
|Davis, Jokic star with huge performances|
|Alli doesn´t dive, says Hodgson|
|Timberwolves star Butler suffers knee injury|
|Penguins acquire Brassard in three-team trade|
|Verdasco ends Thiem´s Rio Open title defence, Monfils exits|
|Salah has world´s best left foot? Don´t forget Messi – Klopp|
|Pochettino: Vertonghen one of Europe´s best defenders|