Arsene Wenger maintains Arsenal do not need an influx of big-money signings this summer.
Although the Gunners extended their unbeaten run to 16 Barclays Premier League games following a pulsating 3-3 draw at north London neighbours Tottenham, they have won only three of the last nine, causing a slip down to third place on goal difference behind Chelsea, trailing leaders Manchester United by six points.
Wenger has again been forced to defend the make-up of his young team, but although the Arsenal manager is reported to have £40million available should he wish to improve the squad this summer, he said: "I feel there is always a need to improve the team, but if you look at our season you cannot come to the conclusion we need a massive change. That would be completely stupid."
He added: "We live in a world where when you are the second best by a little everybody says you are rubbish. That is the modern world, but it is not the reality. We are there, but because we have not won trophies people destroy us completely.
"What is good in our world is that everybody is bankrupt, but the guy who doesn't spend is an idiot."
Arsenal, who moved to the Emirates Stadium in 2006, may not currently have the financial muscle of the likes of Chelsea and Manchester City, both bankrolled by wealthy owners, but Wenger's men have remained competitive on the pitch as they look to qualify again for the Champions League.
"We decided to develop our own players because we cant buy players like Ronaldo, who cost £85million," Wenger said. "The way to fight against these teams is to build our own team with our philosophy and then try to make them."
The Gunners head to Bolton on Sunday afternoon, by which time they could have fallen further behind both United and Chelsea.
Wenger, though, is convinced if his men can now win each of their remaining fixtures - which include a showdown with United at Emirates Stadium on May 1 - then that will be enough for a first title since the 'Invincibles' season of 2003/2004.
"In our plan, we have to beat Manchester United," he said. "But not even for sure because they can drop points as well. However, you would consider that is a certainty and that is where we can show it - but let's win the next game and that is when we go to Bolton."
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