Keith Miller plays Lord Rochefort in Donizetti's "Anna Bolena," at the Metropolitan Opera in New York. The former University of Colorado fullback has reinvented himself, going from the gridiron to the stage and will appear in Verdi's "Un Ballo in Maschera," at the Metropolitan Opera. Performances begin Thursday, Nov. 8, 2012. (AP Photo/Metropolitan Opera, Ken Howard)

Photo by: Ken Howard

Keith Miller plays Lord Rochefort in Donizetti's "Anna Bolena," at the Metropolitan Opera in New York. The former University of Colorado fullback has reinvented himself, going from the gridiron to the stage and will appear in Verdi's "Un Ballo in Maschera," at the Metropolitan Opera. Performances begin Thursday, Nov. 8, 2012. (AP Photo/Metropolitan Opera, Ken Howard)