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It meant Liverpool’s first priority was to build up the player’s fitness levels, with Arne Slot claiming on Friday that Isak had finally returned to maximum sharpness. Hamann worries that Isak’s difficult summer will impact the remainder of the season and feels Slot should consider removing the 26-year-old from the team so he can focus solely on building his fitness.

"It's very hard to build up fitness during the season, and he's just not 100 percent fit. "Maybe it's best to take him out for a week or 10 days to train and then bring him back into the team." Isak has failed to hit the ground running since his summer move from Newcastle (Image: Getty Images) Hamann also questioned the wisdom of signing Isak following the arrival of Hugo Ekitike.
Isak's arrival has limited Ekitike's game time. "He's got to know if he scores, he'll play.