World Number Two Jon Rahm will have to get past former champion Billy Horschel if he is to continue his fine record at the WGC-Dell Technologies Match Play after the two were placed in the same group at Austin Country Club.
Rahm got to the final in 2017 as he made a blistering start to his professional career but the Spaniard will have to finish above 2021 champion Horschel and Americans Keith Mitchell and Rickie Fowler if he is to advance from the group stages for the fourth time in six appearances.
Rory McIlroy lifted the Walter Hagen Cup six years before Horschel and the Northern Irishman will face Americans Keegan Bradley, Denny McCarthy and Scott Stallings in the round robin in Group Three.
In Group One, defending champion and World Number One Scottie Scheffler is the top seed and he will go toe to toe with Alex Noren, Tom Kim and Davis Riley
Ryan Fox is making his debut in the event and he will take on fellow DP World Tour member Will Zalatoris and two more Americans in Harris English and Andrew Putnam in Group Seven.
Two more debutants in Adrian Meronk and Kurt Kitayama will go up against each other in a Group Ten which also contains Tony Finau and three-time DP World Tour winner Christiaan Bezuidenhout.
Viktor Hovland headlines Group Eight alongside Chris Kirk, Si Woo Kim and Matt Kuchar, while Race to Dubai Rankings in Partnership with Rolex leader Victor Perez is in Group Nine with Collin Morikawa, Jason Day and Adam Svensson.
U.S. Open champion Matt Fitzpatrick will go up against Min Woo Lee, Sahith Theegala and J.J. Spaun in Group 11, with Open Champions Shane Lowry and Jordan Spieth facing off alongside Taylor Montgomery and Mackenzie Hughes in Group 12.
Another Major winner in Adam Scott features in Group 13 alongside Séamus Power, Sam Burns and Adam Hadwin, while Tyrrell Hatton and Lucas Herbert will take each other on in a Group 14 also containing Russell Henley and Ben Griffin.
In Group 15, Sepp Straka is alongside Cameron Young, Corey Conners and Davis Thompson, with the Austrian's fellow Hero Cup star Tommy Fleetwood in Group 16 taking on Sungjae Im, J.T. Poston and Maverick McNealy.
