Carolina Panthers general manager Dave Gettleman said last month the biggest offseason goal was getting under the salary cap by March 12. He beat the deadline by four days. Carolina cut Chris Gamble on Friday to get under the $123 million cap, and now the Panthers have two days to negotiate with unrestricted free agents before free agency begins in earnest around the league Tuesday. Almost $4 million under the cap, the Panthers still need to find another $6 million to $8 million in cap space to get far enough below the cap to re-sign their own players, pick up free agents and sign draft picks. Carolina needs help from its veterans to shave that money. Pro Bowl center Ryan Kalil and tight end Greg Olsen have helped the team with restructured deals in the past month, and veteran left tackle Jordan Gross has been asked to do the same.