Cam Newton is still rounding into form after undergoing rotator cuff surgery four months ago.
"I thought Cam looked very good," Ron Rivera said. "He looked a little rusty early on. His timing was off a little bit. But as he practiced more you could see he started to get comfortable back there.
"We do have him on a pitch count, obviously. He was a couple of throws under it, but he looked good."
Newton threw for 3,509 yards, 19 touchdowns and 14 interceptions and had a 52.9 completion percentage in 15 games last season.