During his training stint, Sullivan played in a friendly match against Buxton FC, scoring a goal with a powerful left-footed shot. This impressive display has confirmed the high expectations placed on him.
Sullivan is a talented young player who has represented the USA at the U17 level. He has the opportunity to play for three national teams: the United States, Germany, or Bangladesh. However, his dream is to play for the US national team in the 2026 World Cup.
Sullivan describes himself as a playmaker with great vision and dribbling ability. He is a left-footed player who stands at 5'7". His idol is Lionel Messi, whom he has been admiring since he learned to use YouTube.