Originally Posted by urban
Just a few examples of players collapsing: Vines 1933 in Davis Cup vs. Perry, Buchholz cramping and collapsing vs. Fraser on matchpoint for himself, Wim 1960. At the AO the players had to play in the brutal heat on midday, there was no roof and mostly there were no evening matches.
I understand every sport there's bound to be an incident when one player is almost helpless. But the point is how often it occured.