Numerous teenagers make their MLS debuts each season.
Some will go on to become favourites for individual honours in the MLS betting markets, while others will establish themselves in a different league.
Ranking Youngest MLS Players in 2025
| Rank | Player | Team | Age, Birthday |
| 1 | Cavan Sullivan | Philadelphia Union | 16 years (Sept. 28, 2009) |
| 2 | Gustavo Caraballo | Orlando City | 17 years (Aug. 28, 2008) |
| 3 | Anisse Saidi | San Diego | 17 years (June 20, 2008) |
| 4 | Ian James | Sporting Kansas City | 17 years (June 6, 2008) |
| 5 | Christopher Cupps | Chicago Fire | 17 years (May 26, 2008) |
| 6 | Cooper Sanchez | Atlanta United | 17 years (March 26, 2008) |
| 7 | Julian Hall | New York Red Bulls | 17 years (March 24, 2008) |
| 8 | Johnny Selemani | Vancouver Whitecaps | 17 years (March 16, 2008) |
| 9 | Seymour Reid | New York City FC | 17 years (March 4, 2008) |
| 10 | Máximo Carrizo | New York City FC | 17 years (Feb. 28, 2008) |
| 11 | Owen Graham-Roache | CF Montreal | 17 years (Feb. 11, 2008) |
| 12 | Dominik Chong Qui | Atlanta United | 17 years (Dec. 29, 2007) |
| 13 | Ervin Torres | Austin FC | 18 years (Nov. 14, 2007) |
| 14 | Peyton Miller | New England Revolution | 18 years (Nov. 8, 2007) |
| 15 | Neil Pierre | Philadelphia Union | 18 years (Oct. 19, 2007) |
Who Is the Youngest Player in the MLS Right Now?
Cavan Sullivan is the youngest active MLS player. Sullivan celebrated his 16th birthday in September 2025. That’s quite the contrast from the oldest MLS players right now.
In May 2024, Sullivan became the fifth-youngest player to sign a first-team contract in MLS history. He has represented the United States at the Under-17 and Under-15 levels.
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