![Grossinger, New York: Heavyweight champion Rocky Marciano is shown working out at the punching bags at his training … | Boxing history, Boxing workout, World boxing Grossinger, New York: Heavyweight champion Rocky Marciano is shown working out at the punching bags at his training … | Boxing history, Boxing workout, World boxing](https://i.pinimg.com/1200x/1f/e4/de/1fe4de2d010f397a1c507aa1d89d17bd.jpg)
Grossinger, New York: Heavyweight champion Rocky Marciano is shown working out at the punching bags at his training … | Boxing history, Boxing workout, World boxing
Boxing History - Rocky Marciano, then a future heavyweight champion, trains to face former champion Joe Louis in 1951. | Facebook
![COMBAT!, Vic Morrow, Rocky Marciano, 'Masquerade', (Season 2, aired October 1, 1963), 1962-67 Stock Photo - Alamy COMBAT!, Vic Morrow, Rocky Marciano, 'Masquerade', (Season 2, aired October 1, 1963), 1962-67 Stock Photo - Alamy](https://c8.alamy.com/comp/HD4CH9/combat!-vic-morrow-rocky-marciano-masquerade-season-2-aired-october-HD4CH9.jpg)