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Arizona Cardinals quarterback Drew Stanton (5) passes against the San Francisco 49ers during the first half Sunday, Nov. 5, 2017, in Santa Clara, Calif. New research shows that of the 459 reported concussions during the past two NFL seasons, 44 percent were on passing plays.

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NFL: Most reported concussions occur on pass plays

Quarterbacks ranked at bottom of the concussion list

NEW YORK — A video review of 459 reported concussions sustained during the past two NFL seasons has found far more occurred on passing plays than any other plays.