City were put through their paces ahead of the game at the Etihad Stadium with the tie finely poised following the 1-1 draw in the first leg in Germany.
Earlier, Pep Guardiola and Kevin De Bruyne faced the media to preview the match against the Bundesliga club, which kicks off at 20:00 (UK) with the possibility of extra-time and penalties if the game remains level.
CITY V RB LEIPZIG
Our official app allows you to follow all the action from the Etihad in one place.
Minute-by-minute text updates will begin in our Matchday Centre two hours before kick-off, while our Matchday Live show will begin at 18:40 (UK).
Shaun Goater, Paul Dickov and Steph Houghton are our special guests on the latest Matchday Live show, offering their expert insight at half-time and in greater detail after the final whistle.
They will also answer viewer questions throughout the broadcast, with audience participation actively encouraged on Matchday Live. To get in touch, send a WhatsApp to: +447537186538.