Seattle native and O'Dea graduate Robbie Zipp, 18, returns home to sign with the Sounders after the Washington Diplomats fold. Zipp reunites with former Lake City Hawks youth teammates Fred Hamel and Brian Schmetzer. In all, seven NASL teams ceased operations after the season.

Second-half goals seven minutes apart from Roger Levesque and Nate Jaqua earn the Sounders a playoff-clinching, 3-2 comeback win at Kansas City. Freddie Ljungberg is a factor in all three Seattle goals and earns two assists. Jaqua nets the game-winner in the 76th minute from a Ljungberg run and cross. A Ljungberg corner kick sets-up Levesque’s header to knot the score in the 69th minute. Tyrone Marshall scores in the game's opener. Seattle becomes the first expansion team in 11 years to make the playoffs.

Ely Allen and midfielder George John put Washington ahead early and the Huskies proceed to upset No. 10 UCLA, 2-0, before 2,303 fans at Montlake. The Bruins had been unbeaten in six. Allen connects on a penalty kick in the sixth minute, and John scores his fourth goal of the season in the 18th minute. Redshirt freshman Rylan Hawkins, makes five saves, including a penalty attempt in the 84th minute.

Denny Buck and Todd Schilperoort, both assistant coaches at Washington, depart for Saudi Arabia. Buck, 27, and Schilperoort, 24, have been hired by the U.S. Sports Academy to coach the Royal Saudi Air Force team and develop other programs.

Both the Sounders and OL Reign play at home in record-breaking heat as the entire Pacific Northwest endures an oppressive heat dome. Temperatures reach 102 degrees at SeaTac International, and it's the start of an unprecedented three straights days of records, topping out at 108 on June 28. The Reign-Gotham game at Cheney Stadium begins at 1 o'clock, when the thermometer hits 91 and keeps rising. Up at Lumen Field, by 6 p.m. the high slips back to 95, still breaking the mark for the highest game time temperature of 91, set in 2015. The Reign wilts, 3-0, to Gotham. The Sounders and Whitecaps draw, 2-2.

Kate Deines proves to be the difference in Issaquah's successful defense of their 3A state title. After converting the deciding tiebreaker penalty in the semifinal, Deines scores the only goal the Eagles, ranked 12th nationally, defeat Seattle Prep, 1-0, for the second year in a row at Harry Lang Stadium. Deines scores with nine minutes remaining to secure Issaquah's third title in four years and 14th straight win.