Derek Carr is still retired.But the former Raiders and Saints QB is apparently hearing interest from NFL teams in getting him to come back. And if that's happening, it might be tampering.The key detail is this: New Orleans can give permission to other teams to speak to Carr.There's no clarity on whether or not that's happening.This is what Pro Football Talk's Mike Florio wrote on his website on Friday:"Carr said on NFL Network today that teams have contacted him about potentially coming out of retirement, and he isn’t ruling it out. Carr did not name those teams, but if they didn’t get permission from the Saints first, they were violating the NFL’s tampering rules. Carr was still under contract with the Saints when he retired, and other teams can’t contact him without the Saints’ permissio