FILE - In this Jan. 31, 2019, file photo, NFL Players Association Executive Director DeMaurice Smith speaks during a news conference at the media center for the NFL Super Bowl 53 football game, in Atlanta. For the last quarter-century, the league has had a two-tiered system when it came to pensions, paying out significantly bigger amounts to more recent retirees than the players who retired before 1993 and made considerably less money in the pre-free agency days. DeMaurice Smith said improved pensions would be a priority in upcoming labor negotiations.(AP Photo/David J. Phillip, File)

FILE - In this Sept. 18, 2016, file photo, former Rams team member Tom Mack stands with his bust during the Rams Hall of Fame Ring of Excellence ceremony at halftime of an NFL football game between the Los Angeles Rams and the Seattle Seahawks, in Los Angeles. As the NFL gears up for a yearlong celebration of its history for its 100th season, some of the stars who helped build the league into the behemoth it has become want to make sure the old-timers are no longer left behind. (AP Photo/Kelvin Kuo, File)

FILE - In this Jan. 12, 2012, file photo, Penn State University alumnus and NFL Hall of Famer Franco Harris gestures while speaking to alumni, in King of Prussia, Pa. As the NFL gears up for a yearlong celebration of its history for its 100th season, some of the stars who helped build the league into the behemoth it has become want to make sure the old-timers are no longer left behind. (AP Photo/Alex Brandon, File)