Could there be movement in the negotiating stalemate between CeeDee Lamb and the Cowboys? Stephen Jones said the team sent their star receiver a new offer. Jane Slater of NFL Network said Jones told her Saturday about the offer, which came Friday night. Slater said Jones indicated he was having good conversations with Lamb’s representatives. But it remains to be seen if the Cowboys are ready to give Lamb what he wants. And that’s to be the highest-paid non-quarterback in NFL history. When the Cowboys opened camp, Thursday, Jones told reporters that both Lamb and Micah Parsons desire that pay c…