Philadelphia Union midfielder Cavan Sullivan is the youngest ever in MLS. He's just 14 years old - The Associated Press
- Philadelphia Union midfielder Cavan Sullivan is the youngest ever in MLS. He's just 14 years old The Associated Press
- Sullivan, 14, bests Adu, youngest to play in MLS ESPN
- Philadelphia’s Cavan Sullivan, 14, breaks Freddy Adu’s youngest MLS player mark The Guardian
- Union’s Cavan Sullivan, 14, becomes youngest to make pro debut Deadspin
- Cavan Sullivan, 14, breaks Freddy Adu’s record, debuts in an evolved MLS Yahoo Sports