NFL approves 17-game schedule, first change since 1978
NFL officially announces 17-game season beginning in 2021
How did the NFL record book change when the schedule last expanded?
What to know ahead of the NFL's first 17-game season in 2021: Here are the changes that are coming
NFL Still Expected To Add 17th Game For 2021 Season; Result Would Be Steelers Hosting Seahawks - Steelers Depot
NFL owners expected to approve plans to expand number of regular season games to 17 from next season, NFL News
NFL 17-game schedule: Here's how the complicated scheduling formula will work with the extra game
The NFL's 17-game regular season, explained - Pats Pulpit