Probably the only known instance of Tom Landry showing emotion or anger on camera by calling (presumably) a player a "dumb-head" during a game against the Los Angeles Rams on January 4, 1976.
Mike Ditka, then a Cowboys assistant coach, can be seen at 0:03 on the far right.
Courtesy of NFL Films, 1981. I do not own the video. This is intended as "Fair Use" and is for entertainment purposes only.
![](https://i.ytimg.com/vi/i2mOC0XNooc/maxresdefault.jpg)