2023 NFL schedule: New rule explains why Lions have 3 Thursday games - Pride Of Detroit
11 Things You Forgot About the 2023 N.F.L. Season - The New York Times
Steelers, Patriots Week 14 Now Subject To Thursday Night Flex Schedule As NFL Owners Pass New Rule 24-8
National Football League on television - Wikipedia
Detroit Lions expect more prime-time games in 2023, against Thursday night flex rules
Thursday Night Football flex game rule won't impact the Lions in 2023
Game 272: The history of the final flexed game of the season – Quirky Research
NFL's new flex rules are helpless against national TV slate
Ex-Patriots mixed on Thursday flex games: Tough on fans, no 'garbage games'
Official Site of the National Football League
NFL approves 'Thursday Night Football' flex scheduling — but only for a specific 5-week stretch of season
NFL passes flex scheduling for Thursday Night Football by a vote of 24-8 - NBC Sports
NFL ownership passes 'Thursday Night Football' flex rule
Patriots-Steelers regular-season game could change after new NFL rule – Boston Herald