Here is a interview with the Stanford HC who was Sherman DC (I believe) talking about Sherman. He also discusses how Bill Walsh described his DBs. Walsh is regarded as a great coach and coached in an era when football was tough and the players were allowed to play tough. I guess in that era the fans were tougher as well since a lot seemed to be butt hurt over the interview.
http://espn.go.com/espnradio/play?id=10327300
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"A bad day fishing, is always better than a good day of yard work"