Of course , the sport is now fully professional .
The best players , who train 7 - 8 times a week , are as prepared as the best athletes ; some of them can stay in the match for over ten minutes without intermission .
Of course , the sport is now fully professional and the best players , who train 7 - 8 times a week , are as prepared as the best athletes ; some of them can stay in the match for over ten minutes without intermission .