The 'unbelievable' Liverpool prospect has suffered a serious injury.
The 18-year-old attacker was taken off after 77 minutes of the Reds' 6-0 win at Tranmere Rovers on Thursday evening.
The Liverpool youth had only come on at half-time but now looks set for a lengthy stint away from the football pitch after suffering what appeared to be a knee injury.
Klopp has told the club's official website that it's a 'serious' one for the teenage forward, who impressed the German manager this week.
Klopp said: "Unfortunately Paul Glatzel got seriously injured, which is a shame. He is a wonderful kid, a wonderful player, unbelievable.
“The week we saw him [at Melwood] helped already, so when he is back he will be one of my boys because I really like what I saw.”
It's a bitter blow for young Glatzel, but he can call on Rhian Brewster for advice.
Brewster, who scored twice at Prenton Park for Liverpool this week, knows a thing or two about lengthy absences from knee problems recently returning from an injury that kept him out since January 2018.
The 19-year-old could potentially have a big breakthrough season in Klopp's first team, with the German manager reportedly set to promote him rather than sign a replacement for Daniel Sturridge.
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