Cavan Sullivan became the youngest player to ever play in an MLS match back in 2024 and has enjoyed a breakout summer with the Philadelphia Union in 2026. Yet, he’s making more history than just his performances on the pitch.
Playing for the Union as a 16-year-old, having made his debut at 14, Sullivan is the first player in elite soccer to wear Adidas’ 3D-printed cleats, bringing the technology into professional games for the first time.