Originally Posted by hoodjem
Of course. Everyone knows that, not only is tennis harder and better and stronger today than at any time in the past, it is also hotter and more humid--thus more brutal.
It's global warming.
Ah, this explains the mystery of how heat and humidity when you have a higher temperature in the past is more brutal today. The global warning causes the sun to break through a tiny fraction of the Ozone layer to just focus on the tennis player today. Therefore the heat is more concentrated just at the baseline.