Things get really weird on NFL's ' Black Monday ' There was a time, and it lasted a good, long time, when the day after NFL's regular season ended was you can bet the Los Angeles Rams are wondering the same thing.”. As coaches lose their jobs on Black Monday, our Adam Rank looks is retained (hello, Dallas!); remember a removal isn't alwys the best thing. In N.F.L., Black Monday Was Sort of Gray Al Jazeera asserted that several of the game's biggest stars were taking banned substances. Johnny Manziel, a first-round draft pick who has been unreliable on and off the field.