Cam Newton wasn't on the field this weekend as the Panthers returned to practice after their third preseason game.
However, the quarterback could be back under center "pretty soon," coach Ron Rivera said.
"The doctors feel the more we keep him off of it, the more we keep it elevated, we're expecting it to take care of itself quickly,'' Rivera told reporters Saturday.
Newton was inside of Bank of America Stadium during Saturday's practice receiving treatment after suffering a sprained foot in Carolina's preseason loss to the Patriots on Thursday.
It was his first outing since undergoing offseason shoulder surgery.
There's no clear timeline on Newton's return but the team remains optimistic Newton will be ready for Week 1.
"There really isn't any timetable, but we're going to do everything we can to make sure it's right and ready to roll,'' Rivera said. "What we're going to do is take it day by day because there is no timetable. So we'll begin to focus in on what we need to as time progresses. There is no timetable.''
Rivera also said there were no plans to bring in a quarterback from outside the organization for a workout. The team is happy with the work backup Kyle Allen has done while he still has some room for improvement.
"The one thing that has stood out, when we get in some practice situations and watch the things Kyle really knows and handles really well, you feel, 'OK, this is the guy,''' Rivera said. "He hasn't been as steady as we would have liked him in the preseason games.
"His decision-making has been good. He just hasn't delivered a good ball at times, but he is quick on his feet, he's shown some cool under pressure in the past and that's one thing that really weighs in his favor.''
Newton would not have played in the Panthers' final preseason game Thursday against the Steelers, Rivera added.