Jordan Spieth and Patrick Reed were drawn in the same group for the WGC-Dell Technologies Match Play, while Dustin Johnson was handed a better passage.
Spieth and Reed combined four times for the United States during last year's Presidents Cup, earning 3.5 points in their team's success over the International side.
However, they will be opponents at the Austin Country Club beginning Wednesday after being drawn in Group 4.
Charl Schwartzel and Li Haotong are also in the blockbuster group, with the winner to advance to the last 16.
World number one and defending champion Johnson is in Group 1 alongside Kevin Kisner, Adam Hadwin and Bernd Wiesberger.
Coming off his win at the Arnold Palmer Invitational, 2015 champion Rory McIlroy was drawn alongside Brian Harman, Jhonattan Vegas and Peter Uihlein in Group 6.
Two-time champion Jason Day is alongside Louis Oosthuizen, the man he beat in the 2016 final, Jason Dufner and James Hahn in Group 8.
Group 1 – Dustin Johnson, Kevin Kisner, Adam Hadwin and Bernd Wiesberger.
Group 2 – Justin Thomas, Francesco Molinari, Patton Kizzire and Luke List.
Group 3 – Jon Rahm, Kiradech Aphibarnrat, Chez Reavie and Keegan Bradley.
Group 4 – Jordan Spieth, Patrick Reed, Li Haotong and Charl Schwartzel.
Group 5 – Hideki Matsuyama, Patrick Cantlay, Cameron Smith and Yusaku Miyazato.
Group 6 – Rory McIlroy, Brian Harman, Jhonattan Vegas and Peter Uihlein.
Group 7 – Sergio Garcia, Xander Schauffele, Dylan Frittelli and Shubhankar Sharma.
Group 8 – Jason Day, Louis Oosthuizen, Jason Dufner and James Hahn.
Group 9 – Tommy Fleetwood, Daniel Berger, Kevin Chappell and Ian Poulter.
Group 10 – Paul Casey, Matthew Fitzpatrick, Kyle Stanley and Russell Henley.
Group 11 – Marc Leishman, Branden Grace, Bubba Watson and Julian Suri.
Group 12 – Tyrrell Hatton, Charley Hoffman, Brendan Steele and Alex Levy.
Group 13 – Alex Noren, Tony Finau, Thomas Pieters and Kevin Na.
Group 14 – Phil Mickelson, Rafa Cabrera Bello, Satoshi Kodaira and Charles Howell III.
Group 15 – Pat Perez, Gary Woodland, Webb Simpson and Kim Si-woo.
Group 16 – Matt Kuchar, Ross Fisher, Yuta Ikeda and Zach Johnson.
17. Dezember 2018
|Seattle´s playoff spot on hold after Seahawks suffer OT loss to 49ers|
|Cheika survives as Wallabies coach, Johnson appointed|
|Vikings remain in NFC playoff picture|
|Steelers stay ahead as Patriots lose AFC´s second seed|
|Lionel Messi is the best, says Amor|
|I´m still tired just looking at Robertson – Mourinho in awe of Liverpool intensity|
|Casillas takes swipe at Mourinho after United lose to Liverpool|
|Valverde relieved as Messi brilliance prevents another Levante nightmare|
16. Dezember 2018
|WATCH: Leno proposes to girlfriend after Bears clinch division title|
|Messi and Suarez the world´s best strike partnership, says Pique|
|Klopp: I cannot keep every Liverpool player happy|
|Messi and Suarez outscoring Real Madrid and Atletico in LaLiga|
|Levante 0 Barcelona 5: Marvellous Messi banishes ghosts of last season|
|Colts rout Cowboys to keep playoff hopes alive|
|Bears shake off Packers to win NFC North and return to playoffs|
|Mourinho explains Pogba omission and defends Lukaku´s Liverpool showing|
|Liverpool´s display against Manchester United one of the best, claims Klopp|
|Look away Jose! Damning stats expose Manchester United´s limp Liverpool loss|
|Time´s up, Mourinho: Manchester United can dither no longer|
|Manchester United´s players are not dishonest – Mourinho|
|Manchester United´s lack of ambition under Mourinho is scary – Keane|
|Mourinho: All Manchester United can achieve is fourth|
|Quagliarella should be protected by UNESCO, jokes Sampdoria coach|
|Manchester United surpass last season´s goals-against tally in first 17 games|
|Hasenhuttl revels in ´unbelievable´ victory over Arsenal|
|Liverpool 3 Manchester United 1: Shaqiri´s late show bails out Alisson as Reds return to the top|
|Edinburgh in control in Champions Cup, Racing win again|
|Emery ponders January signing after Bellerin injury|
|It is only a knock – Sarri plays down Hazard injury fears|
|Redskins QB Alex Smith released from hospital|
|Starc: If I listen to Warne, I may as well retire|
|Curry interviews retired NASA astronaut, apologises for moon comments|
|Hazard refusing to give up on Premier League title hopes|
|Ziyech & Blind score hat-tricks as Ajax claim 8-0 win|
|Canelo v Fielding: What next for three-weight champion Alvarez?|
|Southampton 3 Arsenal 2: Austin and Ings end Gunners´ long unbeaten run|
|Brighton and Hove Albion 1 Chelsea 2: Sensational Hazard proves the difference|
|Pogba on the bench as Clyne starts for Liverpool|
|Lipsky ends long barren spell in Malelane|
|Lakers´ Stephenson to repeat air guitar despite technical|
|Fletcher pushed Miller on to Broncos sack record|
|The Sarri effect: Hazard surpasses 2017-18 goal involvements in just 16 games|
|Van der Burgh retires on a high note with breaststroke double|
|Rashford: Liverpool was never an option|
|No team Liverpool play this season will be as motivated as Man United – Klopp|
|India surprised by contentious Kohli decision - Bumrah|
|The Sunday Seven - 7 Key Opta facts for NFL Week 15|
|Miller eyeing Joshua bout at Madison Square Garden|
|Finch cleared of serious damage after another finger blow|
|Rashford ´untouchable´ because he plays on his limits – Mourinho|
|It´s important to have his mentality - Mayfield thrilled with Kobe Bryant visit as Browns beat Bronc|
|Centurion Latham indebted to ´world-class´ Williamson|
|Spurs´ Dier out until January after appendix removal|
|A-League Review: Glory down Jets to stay unbeaten|
|Philander ruled out of first Test|
|Controversial Kohli dismissal puts Australia in command|
|Thunder´s Westbrook: ´When we defend like that — best team in the league´|
|Kante at his best further forward, reiterates Sarri|
|Rose capitulates in Indonesia to squander chance to top rankings|
|Fielding: The better man won but I lived a dream|
|Rallying Bulls stun Spurs, LeBron and Ball post triple-doubles|
|Latham century puts New Zealand in commanding position|
|Mayfield leads Browns past Broncos|
|Canelo-GGG trilogy? We can make it happen – Alvarez|
|Canelo outclasses Fielding by third-round TKO|
|Farmer retains title prior to Canelo-Fielding bout|
|Qatar unveils Lusail Stadium for 2022 World Cup|
|Lakers pair LeBron, Ball revel in triple-double feat|
|Allegri hails ´great professional´ Ronaldo|
|LeBron, Ball first Lakers team-mates with triple-doubles in same game since 1982|