Manchester United cannot afford my players and their fall from grace is a lesson to all big European clubs, says Pep Guardiola.

• Bayern Munich boss Pep Guardiola has warned Louis van Gaal he cannot afford his players
• Manchester United spent over £150million during the summer 
• Van Gaal forked out £60m on Real Madrid superstar Angel di Maria
• Germany ace Thomas Muller claims he rejected a move to Old Trafford

Bayern Munich manager Pep Guardiola has warned Manchester United they can't afford his best players and claimed the likes of Arjen Robben, Bastian Schweinsteiger and Thomas Muller don't want to leave for the Barclays Premier League anyway.

United manager Louis van Gaal had the three Bayern stars on his initial hit list at Old Trafford but summer moves for the trio never really got off the ground.

Asked this afternoon if he had to say no to Van Gaal, Guardiola nodded and said: 'They [United] didn't have enough money.

Pep Guardiola has warned Manchester United boss Louis van Gaal he cannot afford his top players

Bayern Munich boss Pep Guardiola played under Louis van Gaal during his time as a player at Barcelona

'I saw they spent a lot of money. It’s good for my friend Louis. It’s part of the game. 

'All of the clubs in the world want the players of anther club. It depends on the player. If the player wants to play he will play. If he wants to stay he will stay.'

Asked for his views on United’s failure to play in the Champions League this season, Guardiola added: 'It’s a good lesson for the big clubs.

'They think: ‘We are unbeatable and strong’ and they are not here. Maybe the next season they are out.

'That’s why football is magnificent.

'Every single week you have to be ready. Every week you have got to show you are ready.'