With Cook's future in doubt, other running backs step up for Vikings
NFL teams commend Boise State running back's balanced skillset, versatility, NFL Draft
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Alexander Mattison's agent says offensive messages a 'reminder of how racism plagues our country'
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Mattison Might Not Be Real Winner Of Minnesota Vikings Move
Minnesota Vikings running back Alexander Mattison ready to step up after Dalvin Cook's 'bittersweet' departure, NFL News
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Runnin' it back: Vikings agree to terms with RB Mattison North News - Bally Sports
Former Boise State star Mattison inks new deal with Vikings
Vikings' Alexander Mattison speaks on starting role