ESPN Ringside on Twitter: "On this date in 1956, Rocky Marciano announced his retirement from boxing with a perfect 49-0 record. He remains the only heavyweight champ to finish his career undefeated.
Robert De Niro and Sylvester Stallone to fight it out in Grudge Match | Robert De Niro | The Guardian
Sly Stallone on Instagram: “A big happy birthday punch to my friend , Robert De Niro!”
Grudge Match' Stars Sylvester Stallone and Robert De Niro - The New York Times
La Página de Daniel Loisi: "Ajuste de cuentas" con Robert De Niro y Sylvester Stallone.
Robert De Niro and Sylvester Stallone Confirmed for 'Grudge Match' | FirstShowing.net
It's De Niro vs. Stallone in 'Grudge Match'
Robert De Niro training to fight Sylvester Stallone in new boxing film
Grudge Match (2013) - Filmaffinity
Sylvester Stallone Had Doubts About Doing a Boxing Movie With Robert De Niro Because of 'Rocky'
Raging Bull at 40: Scorsese's brutal boxing saga still bruises | Raging Bull | The Guardian
When Robert De Niro spoofed 'Taxi Driver' in an animation
MoMA | Martin Scorsese's Raging Bull
Hands Of Stone' Lacks Punch - Journal & Topics Media Group
Robert De Niro and Sylvester Stallone play fight in London with Anthony Joshua as they promote new film Grudge Match | Daily Mail Online
Robert De Niro, el boxeador que pudo ser y no fue
Kevin Hart Picks Rocky Over Raging Bull at Grudge Match Premiere - Variety
De Niro's Best, Worst, Movies: 'Raging Bull' to 'Rocky & Bullwinkle' – Rolling Stone
Picture of Robert De Niro
