Bernhard Heusler admits Mo's humble personality and even compares him to one of the greatest tennis players of all time Roger Federer.

Salah scored the equaliser in a 2-1 win at Stamford Bridge in September 2013 and then got a late winner in the return game at St. Jakob-Park in November.

"I remember that winner against Chelsea," says Heusler. "We tried to congratulate him in the locker room but he would not accept it. He said that he'd had seven shots and the first six had gone into the stands. He only attempted the seventh because he'd been shown such trust by his coach, colleagues and everyone at the club. It was a great thing to say."

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