Sullivan’s historic debut comes at 14 years, 293 days old when he took to the pitch in the 85th minute of the Union’s match against New England Revolution. Sullivan breaks the record by 13 days held by Freddy Adu who was 14 years and 306 days old.
Sullivan signed a MLS record deal with the Union on May 9, 2024, which made him the youngest player in club history to be added to the first team roster, and the fifth youngest player to sign a first-team contract in MLS history. Since his signing, the 14-year-old has made five start swith Philadelphia Union II in MLS NEXT Pro and has scored in each of his last two matches.
