NFL owners remain divided on Thursday night flex scheduling - The Washington Post
NFL owners approve flexing Thursday Night Football rule
NFL owners approve flex scheduling for Thursday Night Football
Analyzing impact of NFL rule changes on Broncos
NFL owners OK flexing of Thursday night games - ESPN
NFL expands flex scheduling to Thursday Night Football - Sports Media Watch
NFL owners approve flexing of 'Thursday Night Football' games
New rules coming to NFL during owners meetings - The Sumter Item
Roger Goodell defends Thursday Night Football flex proposal, NFL owners postpone vote - The Athletic