In his 2009 best seller , Open , Agassi detailed his antipathy for the way he learned the sport .
McEnroe cites Agassi as an object lesson in the dangers of the current all - consuming way of teaching the game .
In McEnroe 's 2009 best seller , Open Agassi Agassi detailed his antipathy for the way he learned the sport .
McEnroe cites Agassi as an object lesson in the dangers of the current all - consuming way of teaching the game .