Jimmy Johnson, 78, tells ESPN the inside story behind "How 'bout them Cowboys?"

I spent the best fifteen minutes of my life with Jimmy Johnson yelling "How 'bout them Cowboys" over and over again. Next guy who wants to win my heart, I’m going to tell him that it’s over there in a puddle next to Jimmy.

Jimmy Johnson, 78, tells ESPN the inside story behind "How 'bout them Cowboys?"

Written by Todd Archer, Photography by Mary Beth Koeth for ESPN, Digi | Assistant Javier Sanchez