Berrios has to get back in the lab and get a complete Trackman workup in the off season. I'm sure the Jays will be all over this but teams seem to be quite secretive about the results, perhaps to avoid devaluation of their assets. He may have to look at developing a new grip? Usually as pitchers age and their spin rates go down it is related to their spin axis which can have dramatic effects on movement thereby their Stuff. 100% this is the issue with Berrios. The Jays likely already know all this but it won't get fixed in-season.