** NFL flex scheduling: Bengals-Cowboys game in Week 14 set on Monday night, due to "The Simpsons" themed broadcast. The league won't flex the game despite being allowed to do so between Weeks 12-17.

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Source: https://www.cbssports.com/nfl/news/nfl-flex-scheduling-why-bengals-cowboys-on-monday-night-game-in-week-14-cant-be-flexed-out-of-its-time-slot/