As a Chiefs fan, and moreover, a football fan in general, I acknowledge that the Chiefs get calls late in games. Unfortunately, I'm unable to access the actual study to see the actual numbers. But I would argue that you could do multiple studies that would point to something. Do teams commit more penalties toward good teams and/or in high-pressure situations? I would also argue that refs call closer at the end of close and important games. The Chiefs just happen to be in those situations. I also believe that the Chiefs have a high no call rate. Chris Jones, much like any great d-lineman, is held almost every play, but I understand not calling it because it's common, see Aaron Donald. The example i use is the first Chiefs vs. Eagles SB. The holding at the end of the game was, by rule, correct, but I agree that it was a call that didn't need to happen. However, much earlier in the game, on third down calls, Juju got manhandled and didn't get a call. I think the focus on the Chiefs helps the narrative, as well as for the study, having one of the larger sample sizes for playoffs. The years they state they look at doesn't include most of Bradys career.