I'm honestly not sure what argument you're trying to build here. JBJ had three years he went 123, 118, and 118 in wRC+ (2015, 2016, and 2020). He was quite valuable in those years. Even when he was an 89-90wRC+ guy from 2017-2019 he put up 2.4, 3.4, and 1.9 fWAR because of his defense.
With...