10 minutes on the clock, 30 players to get. You ready?
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Well, it's usually a perfect hat-trick when it's scored by a man that handsome.
Last night though, Chelsea's resident bench-warming hunk, Olivier Giroud, went even better than a perfect treble. He netted one with his head, one with his left foot, one with his right, and then a penalty to boot.
Super Oli is now the oldest-ever player to have scored a hat-trick in the Champions League. It's impressive that Frank Lampard can bring on that calibre of fringe player, really.
So we thought we'd test your hat-trick knowledge. How many of the last 30 trebles in Europe's premier competition do you recall, exactly?
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