Arne Slot has made a strong start as Liverpool manager, winning his first three Premier League matches, including a notable 3-0 victory over Manchester United at Old Trafford, which has sparked discussions about his managerial prowess compared to Jurgen Klopp and Sir Alex Ferguson. Meanwhile, Manchester United is struggling under Erik ten Hag, sitting 14th in the Premier League after back-to-back defeats, which has drawn criticism and concern from former players like Peter Schmeichel. In the context of managerial greatness, Sir Alex Ferguson's legacy continues to overshadow others, as he is credited with transforming Manchester United into a dominant force in English football, winning 13 Premier League titles and nurturing a successful youth program. Ferguson's impact extended beyond trophies, fostering a winning culture and developing club legends through his youth initiatives. The discussion of the greatest managers also includes figures like Bob Paisley and Brian Clough, who have made significant contributions to their clubs, though Ferguson's achievements are often viewed as unparalleled. As Slot navigates his early days at Liverpool, the contrasting fortunes of United reflect the challenges faced by managers in the evolving landscape of football.