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Emmitt Smith - this retired NFL star, who played for the Dallas Cowboys and Arizona Cardinals, won season 3 in 2006.
He will return for the 15th season of the reality dancing competitions, 'Dancing With The Stars: All-Stars,' which is slated to premiere on Monday, September 24 at 8 p.m. ET/PT on ABC.
(Pictured: Emmitt Smith appears in a still from the 2006 season of 'Dancing With The Stars.')
(ABC Photo/ ADAM LARKEY)