Colin Kaepernick led San Francisco to its third NFC Championship game with a 23-10 win over the Panthers. But forget that! He has some nerve wearing his cap backwards. That's the most unprofessional act a quarterback could do. It goes right up there with wearing tattoos.

Of course that's ridiculous, but writer Sal Maiorana took issue with Kaepernick wearing his hat backwards to conduct interviews. He said in a since deleted tweet, "Kaepernick. Always so media friendly. Turn your cap around and act like a professional quarterback."

The hate came quick:

And here's Maiorana, the supposed professional, with his response:

RELATED: The 50 Biggest Sports Commentator Fails 

[via Sal Maiorana]