The Buddy System? Nice. I still remember those commercials.
Some obvious names we may be overlooking:
Ed Ogeron, Bill Parcells, Bobby Patrino, Pete Carrol, Dick Juron, Dennis Erickson, Jim Haslett, Joe Gibbs, Jim Tressel, Jim Mora Jr., Brian Billick, Dave Wannstedt, Art Briles, Eric Mangina, June Jones, Sam Wyche, Al Groh, Mike Holmgren, Jack Del Rio, Hugh Freeze, Dick LeBeau, Mike Nolan, Jerry Glanville, Dan Reeves, David Shula, Dick Vermeil, Mike Tice and Howard Schnellenberger.