Rivera: Newton expected to play against 49ers

CHARLOTTE, N.C. -- Carolina Panthers quarterback Cam Newton has shown no symptoms of a concussion in the aftermath of Thursday's opener against Denver that would prevent him from playing in Sunday's home opener against San Francisco.

"The only thing I'll say is he's sore in terms of playing the game sore," coach Ron Rivera said Monday of Newton, who took four helmet-to-helmet hits in the 21-20 loss to the defending Super Bowl champions. "Not anything else sore.

"He's tough, he's resilient. He's moving around pretty good today."

But at least one of Newton's teammates remains upset that the officials called only one penalty against Denver for helmet-to-helmet hits. That came on Carolina's final…