Before the game, he got some extra words of wisdom from his brother, and Green Bay Packers head coach, Matt LaFleur. His wife and kids knew, but Matt popping in during his brother's pregame interview was all kept a surprise from the first-year head coach. “That atmosphere, albeit, again, a preseason game, I keep telling people, I'm like, ‘I'm glad I got to check that box.' Article Continues BelowPackers head coach Matt LaFleur surprises Mike LaFleur on NBC ahead of Mike's debut as an NFL head coach with the Arizona Cardinals. That's pretty cool.