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NFL pays tribute on 9/11
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Several Dolphins players took a knee during the national anthem prior to Sunday's Week 1 game against the Seahawks, following in the footsteps of 49ers quarterback Colin Kaepernick, who began the practice during the preseason.
And while different teams have chosen to protest differently -- Chiefs' players interlocked arms instead of kneeling -- the issue remains a politically divisive one. Last month, CBS NFL analyst and former NFL quarterback Boomer Esiason called Kaepernick's actions "disrespectful," and on Sunday evening, supermodel and actress Kate Upton tweeted her displeasure with the Dolphins' players decision.