FILE - In this Sept. 8, 2012, file photo, Alabama running back T.J. Yeldon (4) is taken down after a first down run by Western Kentucky defensive back Tyree Robinson (22) and defensive back Jonathan Dowling (1) during the first half of an NCAA college football game at Bryant Denny Stadium in Tuscaloosa, Ala.  With the national championship on the line, two throwback offenses will slug it out. No. 1 Notre Dame and No. 2 Alabama rely heavily on the run, and that doesn't figure to change in the biggest game of the year. (AP Photo/Dave Martin, File)
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