Vacations to the Jersey shore as a child gave the Green Bay Packers' defensive coordinator a glimpse of the life. His father, a high school football coach in suburban Philadelphia, took a briefcase to the beach, settled a chair into the sand and went to work.
''I do the same ... But it's a backpack. I'm a little more with the times,'' Pettine said.
The lessons passed on by dad stay with him to this day.
Mike Pettine Sr., who died in Feburary 2017, was one of the most successful coaches in Pennsylvania prep history.