Cavan Sullivan becomes youngest in US major sports to make pro debut - USA TODAY
- Cavan Sullivan becomes youngest in US major sports to make pro debut USA TODAY
- Sullivan, 14, bests Adu, youngest to play in MLS ESPN
- Philadelphia Union midfielder Cavan Sullivan is the youngest ever in MLS. He's just 14 years old The Associated Press
- Union's Cavan Sullivan Makes MLS Debut; 14-Year-Old Sets North American Sports Record Bleacher Report
- Philadelphia’s Cavan Sullivan, 14, breaks Freddy Adu’s youngest MLS player mark The Guardian