Derek Carr practiced today.

So what you're saying is that in the process of having his best game of the season, beginning to silence the boos in the dome, and making a big comeback, he decided to fake an injury to get the rest of the game off just to play against the Panthers instead? Sure, that's logical.
Yep...that's exactly what I'm saying. I know his type, and that kind of move that reaps all the benefits of a theoretical comeback while avoiding the consequence of a failed comeback falls right in line with that type