For the second time in the last month, the PGA Tour's best golfers will be on display for a major tournament. This time, it will be the U.S. Open, which heads to Torrey Pines for the first time since Tiger Woods won the event in 2008 while playing on a broken leg and torn ACL.Heading into the U.S. Open, many fans were hoping to see rivals Bryson DeChambeau and Brooks Koepka square off against one another. The two are involved in , which was most recently on display at the PGA Championship.Unfortunately, they won't be playing together. Koepka was paired with Collin Morikawa and Justin Thomas while DeChambeau will play with Hideki Matsuyama and Tyler Strafaci.Other Milwaukee Brewers Jersey topgroups include world No. 1 Dustin Johnson playing with Rory McIlroy (11) and Justin Rose (42) while tournament favorite and world No. 3 Jon Rahm will play with Patrick Reed ( and Marc Leishman (45).Here's a full breakdown of all the groups and featured groups for the first two rounds of the 2021 U.S. Open.MORE:U.S. Open featured groups 2021 Thursday, June 17Brooks Koepka, Justin Thomas, Collin Morikawa - 10:25 a.m.Max Homa, Xander Schauffele, Phil Mickelson - 10:45 a.m.Hideki Matsuyama, Bryson DeChambeau, Tyler Strafaci - 4:10 p.m.Dustin Johnson, Rory McIlroy, Justin Rose - 4:25 p.m.Friday, June 18Hideki Matsuyama, Bryson DeChambeau, Tyler Strafaci - 10:25 a.m.Dustin Johnson, Rory McIlroy, Justin Rose - 10:45 a.m.Brooks Koepka, Justin Thomas, Collin Morikawa - 4:10 p.m.Max Homa, Xander Schauffele, Phil Mickelson - 4:25 p.m.U.S. Open Championship tee times & pairingsThe 2021 U.S. Open Championship is scheduled to start withSahith Theegala, Edoardo Molinari andGreyson Sigg teeing off on Hole 1 at 9:45 a.m. ET. Below are the full tee times for Rounds 1 and 2 of the third major on golf's calendar for the 2021 season.Round 1: Thursday, June 17 First Tee Tee Time (ET)Group9:45 a.m.Sahith Theegala, Edoardo Molinari, Greyson Sigg9:56 a.m. Matt Garza Jersey Chris Baker, J.J. Spaun, Fabian Gomez10:07 a.m.Patrick Rodgers, Robby Shelton, Pierceson Coody10:18 a.m.Ru sell Henley, Mackenzie Hughes, Harris English10:29 a.m.Francesco Molinari, Henrik Stenson, Shane Lowry10:40 a.m.Matt Fitzpatrick, Tyrrell Hatton, Viktor Hovland10:51 a.m.Martin Kaymer, Webb Simpson, Gary Woodland11:02 a.m.Tony Finau, Abraham Ancer, Daniel Berger11:13 a.m.Si Woo Kim, Kevin Na, Bernd Wiesberger11:24 a.m.Jimmy Walker, Ian Poulter, Ryan Palmer11:35 a.m.J.T. Poston, Adam Hadwin, Joe Long11:46 a.m.Luis Fernando Barco, Dylan Meyer, Matthew Sharpstene11:57 a.m.Mario Carmona, Wilson Furr, Davis Shore3:30 p.m.Zach Zaback, Steve Allan, Eric Cole3:41 p.m.Hayden Buckley, Taylor Montgomery, Jordan Smith3:52 p.m.Chez Reavie, Richard Bland, Troy Merritt4:03 p.m.Robert MacIntyre, Victor Perez, Matt Wallace4:14 p.m.Tyler Strafaci, Hideki Matsuyama, Bryson DeChambeau4:25 p.m.Adam Scott, Sergio Garcia, Bubba Watson4:36 p.m.Dustin Johnson, Rory McIlroy, Justin Rose4:47 p.m.Matt Jones, Brendan Steele, Cameron Smith4:58 p.m.Carlos Ortiz, Zach Johnson, Lanto Griffin5:09 p.m.Sam Burns, Chan Kim, Thomas Detry5:20 p.m.Ollie Osborne, Peter Malnati, Brian Stuard5:31 p.m.John Huh, Johannes Veerman, Zack Sucher5:42 p.m.Rick Lamb, Michael Johnson, Carson Schaake10th Tee Tee Time (ET)Group9:45 a.m.Andy Pope, Brad Kennedy, Thomas Aiken9:56 a.m.Yosuke Asaji, Marcus Armitage, Jhonattan Vegas10:07 Jhoulys Chacin Jersey a.m.Cameron Young, Wilco Nienaber, Guido Migliozzi10:18 a.m.Brian Harman, Tommy Fleetwood, Matthew Wolff10:29 a.m.Collin Morikawa, Justin Thomas, Brooks Koepka10:40 a.m.Kevin Kisner, Billy Horschel, Matt Kuchar10:51 a.m.Max Homa, Xander Schauffele, Phil Mickelson11:02 a.m.Jason Kokrak, Cameron Champ, Corey Conners11:13 a.m.Paul Barjon, Sam Ryder, Ryo Ishikawa11:24 a.m.Dylan Frittelli, Martin Laird, K.H. Lee11:35 a.m.Rafa Cabrera Bello, Adrian Meronk, Sung Kang11:46 a.m.Akshay Bhatia, Andrew Kozan, Alvaro Ortiz11:57 a.m.James Hervol, Hayden Springer, Roy Cootes3:30 p.m.David Coupland, Taylor Pendrith, Wade Ormsby3:41 p.m.Tom Hoge, Bo Hoag, Joe Highsmith3:52 p.m.Erik van Rooyen, Christiaan Bezuidenhout, Charl Schwartzel4:03 p.m.Garrick Higgo, Cole Hammer, Joaquin Niemann4:14 p.m.Lee Westwood, Stewart Cink, Paul Casey4:25 p.m.Will Zalatoris, Scottie Scheffler, Jordan Spieth4:36 p.m.Marc Leishman, Jon Rahm, Patrick Reed4:47 p.m.Patrick Cantlay, Louis Oosthuizen, Sungjae Im4:58 p.m.Kevin Streelman, Branden Grace, Charley Hoffman5:09 p.m.Sebastian Munoz, Rikuya Hoshino, Brendon Todd5:20 p.m.Wyndham Clark, Matthias Schmid, Matthew Southgate5:31 p.m.Spencer Ralston, Dylan Wu, Justin Suh5:42 p.m.Luis Gagne, Kyle Westmoreland, Christopher CrawfordSecond Round: Friday, June 18 First Tee Tee Time (ET)Group9:45 a.m.David Coupland, Taylor Pendrith, Wade Ormsby9:56 a.m.Tom Hoge, Bo Hoag, Joe Highsmith10:07 a.m.Erik van Rooyen, Christiaan Bezuidenhout, Charl Schwartzel10:18 a.m.Garrick Higgo, Cole Hammer, Joaquin Niemann10:29 a.m.Lee Westwood, Stewart Cink Manny Pina Jersey , Paul Casey10:40 a.m.Will Zalatoris, Scottie Scheffler, Jordan Spieth10:51 a.m.Marc Leishman, Jon Rahm, Patrick Reed11:02 a.m.Patrick Cantlay, Louis Oosthuizen, Sungjae Im11:13 a.m.Kevin Streelman, Branden Grace, Charley Hoffman11:24 a.m.Sebastian Munoz, Rikuya Hoshino, Brendon Todd11:35 a.m.Wyndham Clark, Matthias Schmid, Matthew Southgate11:46 a.m.Spencer Ralston, Dylan Wu, Justin Suh11:57 a.m.Luis Gagne, Kyle Westmoreland, Christopher Crawford3:30 p.m.Andy Pope, Brad Kennedy, Thomas Aiken3:41 p.m.Yosuke Asaji, Marcus Armitage, Jhonattan Vegas3:52 p.m.Cameron Young, Wilco Nienaber, Guido Migliozzi4:03 p.m.Brian Harman, Tommy Fleetwood, Matthew Wolff4:14 p.m.Collin Morikawa, Justin Thomas, Brooks Koepka4:25 p.m.Kevin Kisner, Billy Horschel, Matt Kuchar4:36 p.m.Max Homa, Xander Schauffele, Phil Mickelson4:47 p.m.Jason Kokrak, Cameron Champ, Corey Conners4:58 p.m.Paul Barjon, Sam Ryder, Ryo Ishikawa5:09 p.m.Dylan Frittelli, Martin Laird, K.H. Lee5:20 p.m.Rafa Cabrera Bello, Adrian Meronk, Sung Kang5:31 p.m.Akshay Bhatia, Andrew Kozan, Alvaro Ortiz5:42 p.m.James Hervol, Hayden Springer, Roy Cootes10th Tee Tee Time (ET)Group9:45 a.m.Zach Zaback, Steve Allan, Eric Cole9:56 a.m.Hayden Aaron Rodgers Jersey Buckley, Taylor Montgomery, Jordan Smith10:07 a.m.Chez Reavie, Richard Bland, Troy Merritt10:18 a.m.Robert MacIntyre, Victor Perez, Matt Wallace10:29 a.m.Tyler Strafaci, Hideki Matsuyama, Bryson DeChambeau10:40 a.m.Adam Scott, Sergio Garcia, Bubba Watson10:51 a.m.Dustin Johnson, Rory McIlroy, Justin Rose11:02 a.m.Matt Jones, Brendan Steele, Cameron Smith11:13 a.m.Carlos Ortiz, Zach Johnson, Lanto Griffin11:24 a.m.Sam Burns, Chan Kim, Thomas Detry11:35 a.m.Ollie Osborne, Peter Malnati, Brian Stuard11:46 a.m.John Huh, Johannes Veerman, Zack Sucher11:57 a.m.Rick Lamb, Michael Johnson, Carson Schaake3:30 p.m.Sahith Thee