Juan Mata says he is happy to have joined Manchester United who are a massive club. The Spaniard joined United for 37m in January after struggling for game time under Jose Mourinho but is delighted with the decision he made despite the Old Trafford outfit’s troubles this term.The 25-year-old still believes the Red Devils can have a strong end to the season as they prepare to face Bayern Munich in the quarter-finals of the Champions League.With David Moyes’ side trailing fourth placed Arsenal by 11 points it looks like the club will have to win the Champions League to qualify for next season’s competition. But despite United’s problems this season Mata still believes the club are massive around the world. Manchester United is always going to have great players, because of its history and the reputation it has around the world, he was quoted as saying by Inside Spanish Football.When you are on the outside you realise what a big club it is, but when you are on the inside it is amazing to see the level of support there is around the world.Watch Manchester United v Manchester City Tuesday night. 24 hour Sky Sports Day pass for only 9.99. No contract.