Derbies, rivalry matches and clasicos serve as useful mile markers over the course of a long soccer season. They give us an excuse to check in on two key teams, see how everything is going and see what has happened since the last time said teams met. With the Bundesliga's Der Klassiker -- Bayern Munich vs. Borussia Dortmund -- resuming Saturday in Dortmund (watch LIVE, 12:30 pm ET, ESPN+), let's indeed do some checking in.
What's happened since the last time these German heavyweights last faced off?