NFL players will pay tribute to the cause of their choice this weekend, through the league�s �My Cause, My Cleats� campaign.
Most will wear cleats honoring organizations that fight cancer, or promote literacy. Others, will dedicate their footwear to messages far more personal.
Colts LB Anthony Walker will wear a pair of cleats honoring Trayvon Martin, the Miami teenager killed in an altercation with neighborhood watchman George Zimmer in February of 2012:
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