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In this Friday, Feb. 7, 2014, photo, Fantex employees attend a promotional stop as an image of San Francisco 49ers tight end Vernon Davis appears on a scree in San Francisco. Professional athletes frequently get traded to other teams, but San Francisco 49ers tight end Vernon Davis is about to be the first one to be traded as part of an IPO. Davis, an eight-year veteran of the National Football League, is serving as the litmus test for a risky concept hatched by Fantex Inc. The San Francisco company is trying to turn sports stars into commodities whose moneymaking potential can be bought and sold on an exchange run by Fantex. (AP Photo/Marcio Jose Sanchez)

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