Nelson is expected to hear back from the NCAA on the review sometime in January.
Nelson was having a career season before it was cut short after suffering a torn pectoral muscle against TCU on Oct. 5. Nelson, a defensive captain who finished with 27 tackles, had returned an interception for a touchdown against Notre Dame the week before.
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Nelson initially applied to the Big 12 for a medical redshirt, but was denied. He then appealed to the NCAA's Committee on Student-Athlete Reinstatement and was denied again.
The review of his appeal is Nelson's final recourse. (ESPN)
