Guus Hiddink says Robin van Persie is Arsenal's most important player.
The former Chelsea boss believes the Gunners' hopes hang on the form of the Dutch striker.
Hiddink said: "Robin used to be a right rascal. He used to clash in his early days in Holland with the big stars.
"But the man who was a handful in those days, is now the man who the new rascals look up to. I can see that those lads in the Arsenal team feel comfortable with Robin around.
"Players who have experience as young, difficult players in their career and have developed, have an extra quality.
"In my mind I have always kept the clashes between Robin van Persie and Pierre van Hooijdonk.''
Hiddink believes players like Jack Wilshere will benefit a lot from Van Persie's help.
Hiddink ended: "Robin is the man who guides these sort of players in a subtle and intelligent way into highest echelon of world class football."
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