Sylvester Stallone has been confirmed to star in Grudge Match.
The Rocky star has officially signed up to play the part of a retired fire fighter who decides to re-enter the boxing ring and face off against Robert De Niro's alter-ego in the upcoming Warner Bros. action comedy.
Peter Segal will be directing and Doug Ellin, creator of hit TV show Entourage, is currently working on a re-draft of the script, according to Deadline.
The film is expected to being production in 2013.
