On 5 January 2020, Minamino made his Liverpool debut in the club's FA Cup win over Everton, and made his Premier League debut against Wolverhampton Wanderers, coming on in the first half for Sadio Mané on 23 January. On 29 August, Minamino came on as a substitute, replacing Neco Williams, to score his first ever goal for Liverpool at the 73rd minute, and then to score the 4th penalty in the following penalty shoot-out, in the 2020 FA Community Shield against Arsenal. On 19 December, Minamino scored his first league goal for Liverpool, as he scored the opener in a 7–0 away win over Crystal Palace.