"Cam Newton, the No. 1 pick in April's draft, was among the quarterbacks who participated in the workout. Matt Moore, Jimmy Clausen, Tony Pike and Keith Null also were there.
Moore, last year's Week 1 starter, could be a free agent under a new collective bargaining agreement and is not expected back.
Gross would not say whether wideout Steve Smith was at the workout. But a source said the disgruntled veteran was not there."