It's funny how everyone expected Pep to come in and rejuvenate/revolutionize English football, but almost been like it's actually Conte that's done it (system wise anyway).
Utd tried his shape out, Arsenal switched to it, the English national team have been trying it out, heck even Pep himself has tinkered around with it, and now Barca are expected to shape up like this tonight:
I'm not saying there was no such thing as 3-5-2 before Conte came along, obviously, but he's definitely brought it back trending with his success with it at Chelsea.