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Jeffrey D. Allred, Deseret News
Utah Utes wide receiver Reggie Dunn (14) runs by Brigham Young Cougars linebacker Spencer Hadley (2) in Salt Lake City Sunday, Sept. 16, 2012.

Here's a selection of Twitter responses from BYU and Utah fans as they watched what would prove to be one of the wildest entries in the two teams' storied rivalry.