They've been rivals at the top of the game for over a decade - but Cristiano Ronaldo and Lionel Messi may well have ended up on the same side had Barcelona played their cards differently.
The circumstances around Ronaldo's move to Man Utd in 2003 have been well documented, after his performance against them in a pre-season friendly for Sporting Lisbon urged Sir Alex Ferguson to demand his signature.
United were on the hunt for a creative talent, having tried and failed to land Brazil icon Ronaldinho that same summer. The PSG star instead opted to snub a switch to Old Trafford in favour of the Camp Nou.
It was a rejection which hurt United, and Fergie, though perhaps the blow has finally been softened. Because as it happened, Barcelona
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