Eight teams have played in the knockout round playoffs so far, and here's what they'll need in the second leg to advance

Real-City was the undisputed headliner of this new playoff round, but there were three other Champions League matches around the continent on Tuesday. These are the big takeaways.

Manchester City and Real Madrid go head-to-head again in the Champions League on Tuesday, with the eventual loser facing an unusually early exit from European club soccer's most prestigious tournament.