Richardson went on to play for Manchester United for almost 80 games and scoring 11 goals. After leaving the club, he joined Sunderland under Keane in 2007. Richardson later played for Fulham, Aston Villa, and Cardiff City. In 2016, he announced his retirement. He was 34 years old. He started his career at Manchester United as an attacking midfielder and also used as a forward. Under manager Alex Ferguson, he developed into a goal scorer with an eye for goal. In 2004, he scored 21 goals in all competitions which is still today's record for most league goals scored by a Red. After helping the team win the Premier League twice, he moved to Sunderland where he spent three seasons. During his time at Sunderland, they were promoted from the Championship once. In 2006, he signed for Fulham and helped them gain promotion from the Championship the next season. In 2008, he moved to Aston Villa and managed to help them avoid relegation from the Premier League. In 2009, he moved to Cardiff City and ended his career at the club without scoring any goals. He retired at the age of 35. Kieran Richardson has had a successful career so far with many trophies won along the way. He has been named in the PFA Team of the Year twice and also made it into the UEFA Champions League Best XI in 2005 when he featured for Manchester United.