Walker's injury occurred in the win over TCU this past weekend, but this isn't his first time he's had to miss action with a concussion. Walker also missed the Sooners' semifinal matchup with Clemson last season with the same injury. 

Walker has recorded seven tackles on the season, two for loss, and has four pass breakups to his name. 

","published":"2016-10-06T00:27:48.000Z","updated":"2016-10-06T00:37:07.000Z","summary":"

OU's star defensive lineman Charles Walker will miss the Texas game this Saturday with a concussion. 

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