Coaching tree

[1] In 1998, half of the active head coaches in the National Football League could be traced to Bill Walsh and Tom Landry.

[3] The only team that was not profiled in this particular story was the Indianapolis Colts, who had not yet hired a head coach at the time of the article.

Additionally, before Reich became head coach of the Colts, he served as Pederson's offensive coordinator of the Eagles, and helped Philadelphia win Super Bowl LII.

Matt LaFleur (Green Bay Packers), Zac Taylor (Cincinnati Bengals), Brandon Staley (Los Angeles Chargers), Kevin O’Connell (Minnesota Vikings), and most recently Raheem Morris (Atlanta Falcons) are currently or were previously head coaches who coached under McVay at some point.

For instance, Bill Belichick can claim Kirk Ferentz, Nick Saban, and Charlie Weis as descendants of his tree, though they are not included in the graphic above.

They then sprouted their own trees, leading to over 100 total offshoots, which include 12 active NFL head coaches.