^^This above info was actually taken from here
Select a player and go to player injuries, it contains a list of all matches where the player retired or gave a walkover.
If somebody could extract data form here, it would be good. It would take too long to manually go through every player.
could? Don't know who else here does this stuff.
has some info on this?
General retiring stats (since beginning of 2000 to May 2011), best of 3:
Best of 5: