In 2019, the Los Angeles Chargers took a clear step back as a whole; unfortunately, a lack of improvement in areas of need prior to the season was a big part of that regression.
In theory, a team’s general manager should prioritize positions with low quality of play for improvement in the offseason. Improvement at those positions, obviously, should be the result.
This is particularly true when the general manager’s team was a playoff team with few holes on the roster to be addressed (which was the case for the Chargers’ 2019 offseason).
The positional needs from the 2019 offseason are listed below (and discussed in this article from last year).