John Madden, Vince Lombardi
Posted: July 1, 2018 Filed under: sports Leave a comment
source: this medium article.
In 1962, John Madden, then an assistant coach at San Diego State, emptied his savings account to go to a Vince Lombardi coaching clinic in Reno, where he listened to Vince speak on a single play for eight hours.
My source for this: this Intelligent Fanatics article.
Helytimes 