Tom Landry record for most consecutive non losing season is still his even with the success of Bill Belichick. I was able to meet him and traveled with him to a preseason football game. It was like going on a church trip with your pastor (he was a Sunday School teacher like me). I also visited his home town of Mission, TX where there is a mural and we all know the TV show based on Tom Landry's, Mission, TX as the fictional Arlen, TX, King of the Hill,...Tom Landry School does exist but its and elementary school not a middle School...
Tom Landry is one of the best coaches of all time. Having coached the Dallas Cowboys for 29 seasons, he has a record for most consecutive non-losing seasons (21). He was the first head coach of the Cowboys. He is created for creating both 4-3 and flex defense, multiple offense, and resurrected the offensive formation that still exist today the shotgun...
He started his head coaching career in 1960 and retired in 1988. Landry won two Super Bowls (Super Bowl VI and XII), five NFC championships, and 13 divisional championships. He finished with a 270-178-6 record, the fourth-most wins in NFL history, and 20 career postseason victories, the second-most ever.