Ron Rivera

QB Cam Newton a full participant in practice for Panthers

Panthers quarterback Cam Newton was a full participant in practice Thursday, another indicator the league's reigning MVP will likely play Sunday against the New Orleans Saints.

Coach Ron Rivera said that while Newton remains in the NFL's concussion protocol, it's a positive sign that he was able to practice fully. Rivera said he doesn't know when Newton's next meeting with neurologists will be — or when he might be cleared to play.

"This is just the next step and it's all about how he reacts to everything," Rivera said.

Newton declined interview requests on Thursday.

Running back Jonathan Stewart, who has missed the last three games with a...