Ross Jackson explores a Carr trade to Giants [ESPN NFL Nation Giants reporter Jordan Raanan says Derek Carr could be a trade option for Giants]

Makes sense, if you recall his behavior after the game. Wouldn’t be surprised if this was the catalyst in itself that got the process started that week for Allen to be fired.

When you have a stalwart, fun-loving player like that behaving the way Jordan did then demanding a trade, that’s going to raise some eyebrows.
In the article, Jordan says he didn't go the route of asking for a trade. He thought about it, but he and his agent decided it wasn't the best way to go.