Defensive success year over year has proven difficult in the NFL as of late. Elite defenses one year might be average defenses the next, and fantasy football players lulled into expectations of continuation fall prey to the concept of defensive regression in the middle rounds of their fantasy drafts every year. Some defenses simply don’t stand up to the test of time, but why? Is there some method of ascertaining whether a defense might be at risk for a regression?
Look over the internet for those who are bearish on the Buffalo Bills in 2020 and you may see comparisons to the 2017 Jacksonville Jaguars and the 2018 Chicago Bears.