Sullivan is a talented halfback switched his game to hooker to enable him to play first grade in the NRL on his arrival at Cronulla having signed from Northern Eagles at the end of the 2000 season, because he knew that he would never have an opportunity to play halfback in first grade with Brett Kimmorley in front of him.
Sullivan made a name for himself in 2003 and 2004 playing under Stuart Raper and has proved to be a regular in the Sharks side making 14 appearances this season to date scoring two tries. He has a career total of 56 appearances (55 of those with Cronulla) scoring 12 tries. Sullivan started his junior career at Wingham Tigers, NSW before signing for the Northern Eagles in 2000 and making his debut in Round 26 of that year against the New Zealand Warriors.
Sullivan has been described as an excellent impact hooker and has become the Sharks game breaker with his incisive runs and quick thinking providing spark when required.
Head Coach Paul Cullen commented,
"Michael�s talent, pace and ambition were the key elements in our recruitment process. At only 25 his availability, couple with his versatility are significant bonuses.�