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Dortmund's "Borussia" strategist Jurgen Klopp believes that "Manchester United" newcomer Robin van Persie is the best striker in the world.
Last season, Klopp's German champions met with London's "Arsenal" in the UEFA Champions League. The Dutchman, who had previously played for the "Gunners", scored a brace against Dortmund.
"When we played in London against 'Arsenal', I saw before my own eyes - the best striker in football history," the German said to the official UEFA website.
It is worth mentioning that this season "Borussia" will face Ukraine's Shakhtar Donetsk in the Champions League quarterfinals.