Liverpool striker Hugo Ekitike had to be stretchered off in the Champions League defeat by Paris Saint-Germain.
UEFA Champions League holders PSG claim 2-0 first-leg lead over English Premier League champions Liverpool.
Erling Haaland treble and goal by Antoine Semenyo give City 4-0 win, as Liverpool's Mohamed Salah misses a penalty.
Follow the build-up, analysis and live text commentary as City host Liverpool for FA Cup showdown at the Etihad Stadium.
FA Cup and Champions League are Liverpool's only hope for glory this season as they languish in fifth place in league.