Union score four goals in nine minutes v Sporting KC.
Sam Surridge scored in the first half and Brian Schwake finished off his league-leading 12th clean sheet of the season as Nashville SC clinched a playoff spot and remained unbeaten at home with a 3-0 victory over the Chicago Fire on Saturday night.
Eastern Conference-leading Nashville lead the Supporters’ Shield race and are the only team in the league unbeaten at home with 12 wins in 13.
Surridge staked Nashville to a 1-0 lead in the 33rd minute and it stood through half-time.
Schwake, a 25-year-old first-year starter, notched one save and has surrendered only 21 goals through 26 starts.
Bruno Damiani, teenager Cavan Sullivan and Milan Iloski all scored over a five-minute span of the second half for Philadelphia, and the Union used an own goal to beat Sporting Kansas City 4-3 on Saturday night and extend their unbeaten streak to 11 with a fifth straight victory.
Orlando City pulled off the feat earlier this season in a 4-3 victory over Inter Miami.
Sullivan, 16, cut it to 3-2 two minutes later with his seventh goal – using helps from Danley Jean Jacques and older brother Quinn Sullivan.
The Union have scored 14 goals in their last three matches after posting back-to-back 5-0 victories over FC Cincinnati and San Diego FC.
Ruiz, acquired on 3 September from Real Salt Lake in exchange for $400,000 in 2027 general allocation money, scored his first goal since 2023 to give LA a 1-0 lead in the 12th minute.