San Diego fell to a 1–0 defeat against the San Jose Earthquakes on Sunday, 28 September 2025, in a Major League Soccer regular-season clash on Matchday 32. The match kicked off at 02:30 UTC under the supervision of referee Armando Villarrea, and the visitors held a 1–0 lead at half-time. That single goal proved decisive at the final whistle, leaving San Diego without a response on their home turf.

For San Diego, this loss came at a difficult stage of their debut MLS campaign. As an expansion si...