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Alabama's Chris Underwood (87) tries to get past LSU's Barkevious Mingo (49) on a fake punt during the first half of the BCS National Championship college football game Monday, Jan. 9, 2012, in New Orleans. Alabama got the first down on the play. (AP Photo/Bill Haber)

Alabama wins BCS championship 21-0

Jeremy Shelley kicked five field goals and Trent Richardson broke a 34-yard touchdown run late in the fourth quarter as the No. 2 Crimson Tide beat No. 1 LSU for its second national championship in three years.