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Joe Songer, AP Photo/The Birmingham News
Auburn fans at the Bo Jackson statue. Auburn A-Day football game at Jordan-Hare Stadium in Auburn Alabama Saturday April 14, 2012. Fans attending the Auburn A-Day game take photos of the newly unveiled Heisman trophy winners statues of Pat Sullivan, Bo Jackson and Cam Newton.

AUBURN, Ala. — Cam Newton feels like his improvement going into Year 2 as an NFL quarterback "is through the roof."

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The Carolina Panthers quarterback says he's grown with an offseason to review games from his rookie of the year season and work on the areas he needs improvement. He also says it will help his growth to have wide receiver Steve Smith around after signing a three-year contract extension.

Newton was in Auburn on Saturday for a ceremony to unveil the statues of the Tigers' three Heisman Trophy winners: himself, Bo Jackson (1985) and Pat Sullivan (1971).

Newton led the Tigers to the national championship in 2010, his only season. He got loud applause when the three players were introduced before Auburn's spring game and blew a kiss to the crowd.