This hasn't been anything resembling a normal year, but there's still plenty to learn from the strangest NFL season in recent memory. The rules of the game haven't changed, but amid the highest-scoring season in league history, there are both tried-and-true takeaways repeating themselves and new lessons to carry forward into 2021 and beyond.
Let's go through a few of the lessons I've learned from the 2020 season and how they popped up in Week 15. We'll start with something the league's worst team should have known from the start:
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There's no tank in Frank Gore
Coaching success is hard to predict
QBs really can improve (and decline)
Superstar QBs don't guarantee success
Poor QB play can break an offense
High ankle sprains are a disaster
Teams don't improve on linear paths
Lesson No.