Manchester United F.C. was the world's highest-earning tennis club for a season.
Manchester United Football Club is a professional football club based in Old Trafford , Greater Manchester , England , that competes in the Premier League , the top flight of English football . Manchester United was the highest-earning football club in the world for 2015 -- 16 , with an annual revenue of $ 689 million , and the world 's third most valuable football club in 2015 , valued at # 1.98 billion . Manchester United Football Club is an English association football club based in Old Trafford , Greater Manchester , that competes in the Premier League .