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The Montgomery Advertiser, Amanda Sowards) NO SALES, Associated Press
Alabama running back Trent Richardson speaks to reporters during a news conference on Thursday, Jan. 5, 2012, in Montgomery, Ala. Alabama is scheduled to face LSU in the BCS championship NCAA college football game on Jan. 9.

NEW ORLEANS — Alabama tailback Trent Richardson has a soft side.

The bruising runner for the second-ranked Crimson Tide becomes emotional when discussing his two young daughters, who he calls his "little hearts." No. 1 LSU's defenders are more familiar with a different Richardson — the powerful one that seldom shies from contact.

Tigers defensive tackle Michael Brockers says he was sore all over after the November confrontation with the Doak Walker Award winner. He likens hitting Richardson to smacking into a brick wall.

Safety Brandon Taylor uses the analogy of hitting a truck "that ain't going to move."

Richardson is Alabama's biggest threat on an offense where the only other stars are among his blockers.

He was third in the Heisman Trophy voting after rushing for 1,583 yards and 20 touchdowns.