Vikings rookie defensive end Hercules Mata'afa tore an anterior cruciate ligament in Wednesday’s organized team activity, Tony Pauline of draftanalyst.com reports. Mata’afa was injured during a kickoff drill. The undrafted free agent from Washington State likely ends up on injured reserve after clearing waivers. Mata’afa made 121 tackles, 45.5 tackles for loss, 21 sacks and [
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