Who is Harrison Bader as a player? In his 2+ years in Major League Baseball, there have been competing narratives.
In 2018, he was a superlative defender with plus offense (107 wRC+). In 2019, he was a superlative defender with cratering offense (81 wRC+). These facts are more-or-less not in dispute, but as for the reason for the difference, and what it bodes for 2020... that’s where the storytelling has come in.
Maybe Bader simply had the ol’ Sophomore Slump. Maybe while he was very lucky in 2018 (.358 BABIP) he was also very unlucky in 2019 (.