John Francis O’Shea was born on April 30, 1981, in Waterford, Ireland. He started his professional career at Manchester United, where he made his first-team debut in 1999. O’Shea quickly established himself as a versatile and reliable player, capable of playing in multiple positions across the backline and midfield. During his time at Manchester United, O’Shea won numerous domestic and international titles, including five Premier League titles and the UEFA Champions League in 2008.