Grant Calcaterra leads Oklahoma out of the tunnel against TCU

Grant Calcaterra lead the Sooners on the field one last time after announcing his retirement from football this past week.

Grant Calcaterra lead the Sooners on the field one last time after announcing his retirement from football this past week.

Calcaterra chose to retire from the game he loves, citing concussions as the reason he has to step away.

Here is Calcaterra’s announcement that came via Twitter.

In five game this season, Calcaterra caught five passes for 79 yards.

His career numbers at Oklahoma are 41 catches for 637 yards and nine touchdowns.

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