I have real Alexander Isak worry at Liverpool – it's not a new problem for Arne Slot to sort

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The latest Liverpool news as a former Premier League payers raises concerns for Arne Slot over the fitness of his £125m start strikerSwedish cult hero Stefan Schwarz believes Alexander Isak's fitness will cause problems for Arne Slot this season.Isak's £125m move to Liverpool from Newcastle was one of the biggest transfer stories of the summer. The 26-year-old refused to play for Eddie Howe's team after accusing the Magpies of “broken promises.”The Swedish international suffered a series of injuries during his time at Newcastle, with various groin and thigh issues ruling him out on multiple occasions.However, the Echo reported earlier this season, via The Mirror, that Liverpool’s medical and sports science staff had conducted an in-depth review of Isak’s injury history.

The link-up play.“But I believe there's one thing that worries me a little bit, is his fitness. Every club that he's been to or played for, he hasn't been able to continue week in and week out, it isn’t a new problem.“That's probably the challenge Liverpool has — to get the best out of Isak.

Because he's a tremendous player and I believe we know when he's playing he can do magical things.“He has super finishing and it's very difficult for the opponents to know where he is. He's so clever, intelligent.“But for me it's the fitness level.