Entre Luvas e Baionetas

The Patent Leather Kid is a 1927 silent film which tells the story of a boxer who scoffs at fighting outside the ring... particularly for the United States once it enters World War I. Eventually, he is drafted, is shipped overseas, and performs a heroic act, which results in his being severely wounded. It stars Richard Barthelmess, Molly O'Day, Lawford Davidson, Matthew Betz and Arthur Stone.
The movie was adapted by Gerald C. Duffy (titles), Winifred Dunn, Casey Robinson (uncredited) and Adela Rogers St. Johns from the story by Rupert Hughes. It was directed by Alfred Santell [1].
It was nominated for the Academy Award for Best Actor (Richard Barthelmess).