Kansas City Chiefs' proposed jersey number rule approved by NFL owners
NFL owners approve several rules changes for 2021 season
The Chiefs proposed a new rule to reduce restrictions on jersey numbers - Niners Nation
Chiefs propose single-digit jerseys for running backs, linebackers - Sports Illustrated
NFL owners reject proposal to make roughing the passer penalties reviewable
Owners Approve Relaxed Uniform Number Rule Change On Single Digits - Steelers Depot
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Tom Brady unloads on 'crazy' NFL jersey number change
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NFL Announces 2023 Rule Changes; Chargers Get Proposal Passed by Owners
The NFL's 6 new rules for the 2021 season, explained
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