2021 NFL season - Wikipedia
https://en.wikipedia.org/wiki/2021_NFL_seasonThe following rule changes were approved at the NFL Owner's Meeting on April 21: • The jersey numbering system was modified as follows: • Overtime in preseason games was eliminated. This is the first season since 1973 in which overtime is not used in the preseason. • All accepted penalties by either team during consecutive extra point or two-point conversion attempts are to be enforced.
2021 NFL season - Wikipedia
en.wikipedia.org › wiki › 2021_NFL_seasonThe 2021 NFL season is the 102nd season of the National Football League (NFL). This is the first to feature a 17-game regular season schedule as the league expanded the season from 16 games. [1] The regular season started on September 9, 2021, with defending Super Bowl LV champion Tampa Bay defeating Dallas in the NFL Kickoff Game .