Adidas has unveiled the official match ball for the knockout phase of the 2021/22 UEFA Champions League, with the design inspired by the summer 'white nights' in the final venue, Saint Petersburg. Check out the new design and all the other balls going back to 2002.

Which year's ball is your favorite?

https://www.uefa.com/uefachampionsleague/video/0270-13f265e59a81-b07facbe8063-1000--the-champions-league-ball-through-the-years/?jwsource=cl

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