From the NFL Owners Meetings: Approved 2023 Playing Rules, Bylaws and Resolutions
NFL Season to Feature 17 Regular-Season Games
NFL: Move to 17-game schedule, expanded playoffs not what it seems
Report: NFL plans to expand regular season to 17 games
NFL plans to extend regular season to 17 games, cut down on preseason for 2021 season, per report
NFL owners approve 17th game for 2021; Bears-Raiders matchup likely as teams' additional game - Chicago Sun-Times
NFL owners expected to approve plans to expand number of regular season games to 17 from next season, NFL News
NFL approves 17-game season and international scheduling changes - Sports Illustrated
NFL owners vote to approve 17-game regular season - NBC Sports
NFL owners approve 17-game schedule for 2021 season
NFL owners working to have 17-game schedule for 2021 season - The Washington Post
NFL team owners approve 17-game regular season to start in 2021