Sullivan played well in the Union's U.S. Open Cup escape from Indy Eleven. He's still far from a finished product, though, and he knows that as well as anyone.

Cavan Sullivan notched another milestone in his burgeoning career on Wednesday, as the 15-year-old started in the Open Cup against Indy Eleven.

U.S. men's national team prodigy Cavan Sullivan, 15, earned his first senior start with the Philadelphia Union senior team Wednesday evening in the 2025 Lamar Hunt U.S. Open Cup as they defeated USL Championship side Indy Eleven 5-4 in a penalty shootout after a 1-1 draw across regulation and extra-time.