In today's NFL with the greater emphasis on reviewable pass interference I believe a true shutdown type corner, the rare cover guys who can stick on a wideout without too much hand play, is the hardest commodity to find.
So yeah not signing Ramsey would be a tragedy for us.
Conversely btw signing Littleton would demonstrate the Rams are not quite on top of their game. Because IMO it will be an Ogletree type mistake of paying for a guy who has too many flaws when it comes to stopping the run. Same deal with some others like Brock.
This offseason is going to tell us a lot about our Rams' front office. Confident as I am in them, I do have some doubts.