The Buffalo Bills clinch a WC  5 seed.     NFL http://www.nfl.com/playoffs/playoff-picture   ESPN Playoff Machine http://www.espn.com/nfl/playoffs/machine   ESPN standings  https://www.espn.com/nfl/standings/_/view/playoff   NYT  https://www.nytimes.com/interactive/2019/upshot/nfl-playoff-picture.html     CBS  https://www.cbssports.com/nfl/standings/playoffrace     edited websites