You don't win the Bundesliga with weeks left to play if you're not a half-decent team. Bayern Munich are a cut above, with bags full of quality players and a world-class manager.
David Moyes claimed this tie was the toughest of his career, which puts into perspective how inexperienced the United manager was in comparison to his counterpart. This game probably didn't even rank in Pep Guardiola's top 20, yet a Champions League quarter-final was massive for Moyes.
It wasn't a surprise that Bayern Munich went on to win 3-1 on Wednesday. They were the better team. But what did we learn from the game?