Garvey was the players' union counsel and executive director from 1971-83.
The Capital Times reported that Garvey died Wednesday at a nursing home in Verona after a battle with Parkinson's disease.
"Ed literally built us into a union, thanks to his brilliance and loyalty to the players, and no one will ever forget his biting and effective wit," current NFLPA Executive Director DeMaurice Smith said.
MADISON, Wis. (AP) — Ed Garvey, the lawyer who led the National Football League Players Association through strikes in 1974 and 1982, has died at age 76.
A 1969 graduate of the University of Wisconsin Law School, Garvey joined the Minneapolis firm that later represented the fledgling NFLPA. Neither of the player strikes was particularly effective, and the 1982 walkout resulted in the season being shortened from 16 games to nine.
"Ed's relentless work helped set the foundation for the numerous benefits and breakthroughs we as players have experienced, especially during these latter parts of our 60-year history. I am saddened to hear about his passing, but I am confident that his strong legacy will continue to guide the work of our players union."
He later created a website that featured progressive political content.

Cress Funeral Service in Madison said arrangements for Garvey are pending.
"Since being elected president of the NFL Players Association, I am always reminded of a specific quote: 'We stand on the shoulders of giants,NFL Jerseys 2018,'" said Bengals offensive lineman Eric Winston. "One of those 'giants' was Ed Garvey ...
Short of gaining unfettered free agency, the union won major concessions from the owners,China NFL Jerseys, including improved packages of player benefits, and $13.65 million in damages for antitrust violations against the players.
The nationally known labor attorney was a political heavyweight in Wisconsin, where he returned in 1983. Garvey ran unsuccessfully as a Democrat against incumbent Republican U.S. Sen. Robert Kasten. In 1998, Garvey took on incumbent Gov. Tommy Thompson, but lost after a tough campaign.
Garvey initially became involved with football when he was assigned to counsel NFLPA president John Mackey, a tight end who would make the Pro Football Hall of Fame, as the union negotiated a new labor agreement with the league. Soon after,Cheap Jerseys USA, Garvey became the union's first executive director when the NFLPA became the certified bargaining agent for the players.
Upshaw led the players through another strike in 1987,Wholesale Jerseys Free Shipping, when the NFL used replacement players for three games. Even though he no longer had an active role with the union, Garvey drew some criticism then for yet another walkout.
One of Garvey's main objectives was to eliminate the Rozelle Rule that bound players to their teams and prevented free agency of any kind. The union didn't achieve free agency until 1993, when another former player and Hall of Famer, Gene Upshaw,NFL Jerseys Wholesale, had taken over leading the union.