Adrian Peterson: It’s disrespectful how NFL teams value running backs squib

Adrian Peterson re-set the running back market when he signed a seven-year, $96 million contract with the Vikings in 2011. Even though the salary cap has increased by 65 percent since then, running back salaries have barely budged, as NFL teams have devoted all that salary growth to other positions. Peterson doesn't like that. "It's [more]
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