How about Kam Chancellor gets good and stops playing dirty? Whenever he fucks up and gets burned by a receiver he resorts to hitting the receiver in the head with his helmet.
Do YOU suffer from the Dunning-Kruger effect, also known as the Casual Sub-Human Hackusation effect?
Def: a cognitive bias in which unskilled individuals suffer from illusory superiority, mistakenly rating their ability much higher than is accurate. This bias is attributed to a metacognitive inability of the unskilled to recognize their ineptitude.