John Feinstein is one of the best sports writers ever. He introduced me to the soul of sport. His most famous book is, perhaps, A Good Walk Spoiled, about the PGA.
http://www.feinsteinonthebrink.com/index.php
George Plimpton is a very famous American sports writer. He was also an actor who appeared in many films and TV shows. You'll recognise him when you see him.
http://openlibrary.org/authors/OL388011A/George_Plimpton
The idea that blow by blow sports writing is the way to go may be the work of