The most recent transfer window was unlike any other before it as world-class players like Lionel Messi and Cristiano Ronaldo moved clubs at the same time. But that got us thinking...
Drawing inspiration from David Schoenfield's look at the biggest star every MLB team has ever traded, we thought we'd look at the world of soccer. And, more specifically, the top clubs in the English Premier League.
Ronaldo has now returned to Manchester United from Juventus for €15m plus add-ons, but it wasn't so long ago that he was departing Old Trafford for Real Madrid.