Jordan Morris came off the bench to score as the United States came from behind to draw 1-1 with El Salvador in the CONCACAF Nations League on a muddy, waterlogged pitch Tuesday night at the Estadio Cuscatlan in San Salvador.

U.S. coach Gregg Berhalter made seven changes from last weekend’s 5-0 rout of No. 170 Grenada, inserting Ethan HorvathTyler AdamsYunus Musah and Brenden Aaronson in midfield, Christian Pulisic and Tim Weah on the wings, and Haji Wright at forward.

The Americans plan exhibitions in Europe on Sept. 23 and 27, likely against Asian opponents. The U.S. opens the World Cup in Qatar against Wales on Nov. 21, faces England in a Black Friday matchup four days later and finishes the first round against Iran on Nov. 29.