As Matt Nagy has struggled to build a productive offense in three seasons as the Bears head coach, the lament of Bears fans who have seen this movie too many times has resonated more and more each day: By the time Nagy gets it figured out, the vaunted Bears defense will be over the hill.
The Bears sure seem headed in that direction, with the offense spinning its wheels again in 2020. The Bears defense that was dominant in 2018 under Vic Fangio is showing signs of wear and tear.
Linebacker Khalil Mack was on the injury list 13 times in 17 games — and questionable for 10 of them — with injuries to his knee, back, ankle, back again and shoulder.