The very best teams of all time regularly include strong relationships between the head coach and the most important player. In the NBA, we’ve seen it with Gregg Popovich and Tim Duncan, Phil Jackson and Michael Jordan, and Red Auerbach and Bill Russell. There are plenty of examples in other sports as well, but very few of those would be likely to produce a video like the one of Steve Kerr and Stephen Curry that recently went viral on Twitter.

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