Ten minutes on the clock, 65 managers to guess. You ready for it?
Remember to tweet your scores @FourFourTwo (opens in new tab), and challenge some friends while you're at it.
PSG vs themselves. Real Madrid vs the urge not to start their own competition. Ronaldo vs the world.
The battles that the Champions League can give us on the pitch are tantalising – but so are the ones in the dugout.
Because as well as featuring some of the greatest players on Earth, there are some of the most brilliant brains in football under the lights of this continental competition. Just think of the ones that are representing English teams every year.
The history of the competition is littered with the greats of the game, the most insightful minds who mastered the tactics board and delivered European glory to the trophy cabinets of their clubs.
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