 Complete the following phrase:  On 1 May 2020, PSG were crowned Ligue 1 champions after the season had been called off amid the COVID-19 pandemic; at the time of the Leagues premature suspension, PSG were in first place, with a twelvepoint lead over secondplaced Marseille. Mbappé finished the 201920 season as joint-top scorer in Ligue 1 with 18 goals, along with Monacos Wissam Ben Yedder. However, Mbappé was assigned the title of top scorer due to his superior goals per game ratio. On 24 July, in the 2020 Coupe de France Final against Saint-Étienne, Mbappé was forced off after sustaining an injury following a challenge from Loïc Perrin, who was sent off; PSG won the match 10, although Mbappé was ruled out of the 2020 Coupe de la Ligue Final, which PSG went on to win, completing a domestic treble. He returned to action in the Champions League quarter-final against Atalanta on 12 August, coming on a substitute, and assisting Choupo-Motings matchwinning goal in injury time. PSG eventually lost out in the 