Here's a closer look at how the NFL playoff format works
NFL playoff bracket, explained: How byes, seeding, format will work in 2022-23
A look at NFL playoff bracket for 2021-22 season
New NFL playoff format 2021: Changes, expansion, bye rules explained - Sports Illustrated
College Football Playoff will expand to 12 teams in 2026, maybe sooner
NFL playoff picture: Washington Commanders Wild Card Watch, Week 12 - Hogs Haven
Baseball postseason questions answered
College Football Playoff Board of Managers Votes to Expand Playoff to 12 Teams - College Football Playoff
WNBA playoff format changes: Solving a problem or 'overcorrecting'? - ABC7 Chicago
How does the NFL Playoff bracket work? Explaining byes, AFC-NFC seeding, and format for the 2022-23 postseason
Free, printable NFL Playoff bracket for 2021-22 - Interbasket
Couldn't find a visualization of the new postseason format anywhere so I made one : r/baseball