Sylvester Stallone paid tribute to his co-star Burt Young late Wednesday evening after news of Young’s death broke. “To my Dear Friend, BURT YOUNG,” Stallone, 77, wrote on Instagram.

Burt Young, the actor best known for his Oscar-nominated performance as Sylvester Stallone’s sidekick in “Rocky,” has died at the age of 83. WireImage ...

Burt Young, the Oscar-nominated actor who played Paulie, the rough-hewn, mumbling-and-grumbling best friend, corner-man and brother-in-law of Sylvester Stallone in the "Rocky" franchise, has died.

Burt Young, a cast member of the film "Rocky Balboa," gestures at the premiere of the film in Los Angeles, Dec. 13, 2006. AP Photo/Kevork Djansezian, File ...

Burt Young, who starred alongside Sylvester Stallone as brother-in-law Paulie in the "Rocky" films, has died. He was 83.

Burt Young, right, with Sylvester Stallone in a scene from the 1976 film “Rocky.” The movie became the year's highest-grossing film and received 10 Oscar nominations, including for Mr. Young's ...

Burt Young, the Oscar-nominated actor best known for playing Paulie in all six Rocky movies, has died. He was 83. Young’s daughter, Anne Morea Steingieser, confirmed to The New York Times that ...

Burt Young is the man who makes this all possible. He looks and sounds every bit the gruff old hitman, equal parts twinkly-eyed teddy bear and dead-eyed predator.

Burt Young, the Oscar-nominated actor who played Paulie, the rough-hewn, mumbling-and-grumbling best friend, corner-man and brother-in-law to Sylvester Stallone in the â Rockyâ franchise, has died.

Burt Young, the Oscar-nominated actor who played Paulie, the rough-hewn, mumbling-and-grumbling best friend, corner-man and brother-in-law to Sylvester Stallone in the “Rocky” franchise, has died.

LOS ANGELES (AP) — Burt Young, the Oscar-nominated actor who played Paulie, the rough-hewn, mumbling-and-grumbling best friend, corner-man and brother-in-law to Sylvester Stallone in the ...

Burt Young, the Oscar-nominated actor who played Paulie, the rough-hewn, mumbling-and-grumbling best friend, corner-man and brother-in-law to Sylvester Stallone in the “Rocky” franchise, has died.