Ramsey began his career at Cardiff City, where he started playing in the youth academy at the age of eight. He made his first-team debut for Cardiff City in 2007 and quickly established himself as a talented midfielder. In 2008, he made a high-profile move to Arsenal FC, where he spent 11 seasons and became a key player for the club. During his time at Arsenal, Ramsey won three FA Cups and scored numerous crucial goals for the team.