Matthews said that he does not have to prove himself to anyone, but insisted that he plays the game to the best of his abilities.
"No, I don't have any reaction [to him]," Matthews told the Journal Sentinel. "I'm onto the next game.
"I'm an awesome player. I'm not a dirty player. I think my resume's pretty good right now. I think we're doing alright."
The Packers face the Washington Redskins on Sunday in their next game.