^^^ Thanks for sharing that !
Originally Posted by SLD76
The thing is, athletes today are pushing themselves to the limit of the human body, with travelling, lack of sleep, time zone changes, practice schedules, etc.
Yes, I get that part. What I don't get is why don't we see athletes from other sports also get it assuming they work equally hard. Unless we accept that tennis is the most physically demanding sport of them all (travel, fitness training included).