Jack O'Sullivan (rugby union)

Jack O'Sullivan is a professional rugby union player. While there are multiple players with the name Jack O'Sullivan, this entry refers specifically to the Jack O'Sullivan who plays primarily as a flanker.

Details on his career, including teams played for, specific playing style, and international caps (if any), vary depending on which Jack O'Sullivan is being referenced. Generally, a rugby union player named Jack O'Sullivan may have played for various club teams at different levels, potentially including amateur, semi-professional, and professional leagues. He might also have represented representative teams at age-grade levels or, potentially, his country's national team.

Further information on a specific Jack O'Sullivan's career, such as dates of birth, teams played for (including specific tenures), statistics (e.g., number of appearances, tries scored), and any notable achievements (e.g., winning championships, receiving individual awards), would require specifying which Jack O'Sullivan is the subject of the search. Without specifying a particular Jack O'Sullivan, this entry serves only as a general reference to individuals with that name who participate in rugby union.