What is the NFL international diversity helmet initiative? Why are players wearing flags on helmets?
Flag football: This year, the Pro Bowl; up next, the Olympics? - The Washington Post
Vicis expands helmet line with new soft 'cap' for practices, 7-on-7 and flag football – GeekWire
NFL to Celebrate the League's International Diversity with Helmet Initiative in Weeks 4 and 5 - The Atlanta Voice
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Cardinals QB Kyler Murray among those adding an international flag decal to helmet to celebrate heritage
Raiders Host Regional Flag Football Tourney
The National Football League Celebrates International Diversity with NFL Heritage Program - Culver City Observer
NFL Flag San Diego Switches to GameBreaker Helmets to Enhance Player Safety
The NFL prepares for international flag initiative
5 Chiefs to participate in NFL's international diversity initiative
NFL players will wear flag decals on helmets to display their heritage in Weeks 4-5 - NBC Sports