What Games Will the NFL Flex to Thursday Night Football?
Roger Goodell muses that Thursday Night Football games could
NBC Sunday Night Football - Wikipedia
NFL Flex Scheduling: The new rules for the 2023 regular season
NFL approves flex scheduling for 'Thursday Night Football
Why NFL flexed out Kansas City Chiefs Sunday night game against
NFL owners vote to flex Thursday Night Football, allow emergency
NFL approves 'Thursday Night Football' flex scheduling — but only
NFL might not flex any Sunday night games in 2014