On 27 November, Suárez opened the scoring in a 3–1 win over Borussia Dortmund in the Champions League group stage, before setting up Messi for the second goal. On 7 December, he scored a curving backheel goal in a 5–2 victory over Mallorca, being lauded by many as one of the goals of the season. Three days later, Suárez captained Barcelona for the first time as he came off of the bench to set up Ansu Fati's late goal in a 2–1 win over Inter during the final match of Barcelona's Champions League group. On 12 January 2020, Barcelona confirmed that Suárez would have to undergo a surgery which could see him out for four months, after catching a knee injury during their defeat against Atlético Madrid in the Supercopa de España.