Many though that Papi’s bat ha don’t slowed during one of his rare prolonged slumps, and he went on to tear up MLB pitching for about 5 more years. Pitchers and defenses had adjusted to Papi, and it took him a while to adjust back — he started going the other way. JD is constantly adjusting to keep ahead of the pitchers and over the last 7 seasons (excluding 2020) his results are up there in an elite class of performers.