was sylvester stallone a boxer
Robert De Niro and Sylvester Stallone talk boxing at Grudge Match movie event. Actors speak ahead of release of new film Grudge Match, which will see Jake LaMotta and Rocky Balboa. It is a couple of decades since menâs men Sylvester Stallone and Robert De Niro were in their pomp as the boxers in action movies, as the fictional Rocky and the real-life Jake LaMotta.