Discuss as:

Robert De Niro training to fight Sylvester Stallone in new boxing film

Everett Collection

Robert De Niro as "Raging Bull" and Sylvester Stallone as "Rocky."

He may be currently busy campaigning for a potential next Oscar nomination for "Silver Linings Playbook," but Robert De Niro is working hard on another upcoming project: The 2014-scheduled film "Grudge Match," in which he plays a retired boxer. So who will the former "Raging Bull" pugilist go up against in the film?

Sylvester Stallone. Naturally! 

The pairing was announced back in October on Deadline, which noted that "Entourage" creator/writer Doug Ellin was crafting the storyline. But as Showbiz411 noted, the actors are now training together, which means "Raging Bull" is practicing battle scenes with "Rocky."

De Niro, 69, won his second Oscar for playing Jake LaMotta in 1980's "Raging Bull," while Stallone, 66, made a string of films as Rocky Balboa starting in 1976. (He earned two Oscar nominations for the original film.)

It's nearly as good as a "Star Wars"/"Star Trek" mashup. 

Wednesday night, Showbiz411 reports, De Niro was toasted along with "Playbook" director David O. Russell at a dinner following a Screen Actors Guild screening of the film in New York. The actor told reporter Roger Friedman that he'd been working out with a trainer, and was excited to work with Stallone.

Not as excited as we'll be, once the film finally comes out.

Related content: