The Baltimore Ravens know what it is like to lose good offensive lineman but they don’t want to lose Ronnie Stanley. Ryan Jensen was arguably just adequate but when he signed with the Tampa Bay Buccaneers he was the highest paid center. Kelechi Osemele had a time as the highest paid guard when the Oakland Raiders signed him away from Baltimore. Rick Wagner got right tackle money, though it was really good right tackle money.
The point here is that the offensive line is a place where the NFL executives are not afraid to spend their money. The offensive line is one of the most important position groups on a team because a bad offensive line can sink a season and get the quarterback hurt.