The Audi 2025 MLS Cup Playoffs intensity rises when the Philadelphia Union and New York City FC battle on Nov. 23 (7:30 pm ET | MLS Season Pass, Apple TV ; FS1, FOX Deportes; TSN, RDS).

Here are five key storylines to know ahead of their Eastern Conference Semifinal clash at Subaru Park.

Whoever advances will meet FC Cincinnati or Inter Miami CF in the Eastern Conference Final, vying for the chance to compete in MLS Cup presented by Audi on Dec. 6. 1 Philadelphia chase a double

Philadelphia capped an unforgettable 2025 regular season by winning the Supporters' Shield, boasting the league's best record (20W-8L-6D) and an MLS-high 66 points.

But the Union are also looking to become just the ninth team to win the Shield and MLS Cup in the same campaign. In the last 13 years,

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