Carl Weathers, the actor best known for playing Apollo Creed in the Rocky franchise, has died at 76.

The prolific actor was also known for his roles in Predator, Happy Gilmore and The Mandalorian. His passing was confirmed by his family, who announced that Weathers died in his sleep on February 1.

“Carl was an exceptional human being who lived an extraordinary life,” the family’s statement reads, per Deadline. “Through his contributions to film, television, the arts and sports, he has left an indelible mark and is recognized worldwide and across generations. He was a beloved brother, father, grandfather, partner, and friend.”

Born January 14, 1948 in New Orleans, Weathers was an athlete before an actor. He played football at San Diego State University, helping the Aztecs win the Pasadena Bowl in 1969. After going undrafted, he signed with the Oakland Raiders as a free agent, playing 7 games and helping them win the AFC West Division title. He played for the Canadian Football League after being released in 1971.