American football rules - Wikipedia
New NFL rules: teams face fines if players kneel during national anthem, NFL
NFL Football Operations on X: Take a look at specific examples of @NFL uniform & equipment rules/violations for each team: / X
An unofficial guide to NFL celebrations under new rules
NFL Football Operations on X: .@NFL owners approved a rule change proposed by the @Chiefs expanding jersey number options for certain positions. Check out the full list of 2021 rule changes
How Emmitt Smith, Joe Horn, Tom Brady and more altered NFL rule book - ESPN - NFL Nation- ESPN
A visual guide to the NFL's new anti-celebration rules
Accountability: Fines & Appeals
OT: New NCAA Football Uniform Rules
NFL Uniform Rules & Regulations Explained - blog.
NFL's COVID rules for playing during pandemic