LIVERPOOL, England (AP) With his catchy comments and personable nature, Juergen Klopp has captivated English soccer in his first two weeks in charge of Liverpool.

There is a harder edge to Klopp, too, and the manager has wasted little time in complaining about the English Football Association's treatment of one of his teenage players.

Jordan Rossiter returned from England under-19s duty with a hamstring injury after playing three matches in six days.

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Klopp, seemingly under the impression the games were played in a five-day span, says he's ''never heard of an 18-year-old playing three games in five days. That is the problem why he is injured.''

Klopp says he will ''find a way'' to convey his grievances to the FA, adding: ''These young players are our future. If we handle them like horses we get horses.''