Because Tavon Wilson wasn't in the Lions 2020 plans ( he signed with the Colts ) , it's that much more important for the Lions for Will Harris to make substantial improvements in his 2nd NFL season.
The article is encouraging. But the Lions have yet to play an opponent in 2020.
With the Lions often using 3 Safeties at the same time, Harris has the opportunity to see the field on Defense often if he's making significant progress.