Return of Alexander Isak is all well and good, but it will not redeem a season of sustained underperformance“The failure is big,” said Ryan Gravenberch as he digested the Champions League defeat by Paris Saint-Germain that ensured Liverpool’s season will finish trophyless. It was a more appropriate description of the team’s plight than Arne Slot’s insistence the future looks bright and a reality the head coach cannot avoid whether Champions League qualification for next season is secured or not. As it must be.Failure is unthinkable for a club whose business model depends on its lucrative revenue streams and a team that, 12 months ago, was about to win the Premier League title at a canter and was then remodelled to the tune of almost £450m. With the top five all qualifying, Chelsea fading from the conversation under Liam Rosenior and a five-point advantage over Brentford and Everton with six games to play, it would be a humiliating final blow for Liverpool to miss out. Slot’s defence fo...