The former Packers general manager will be inducted into the Pro Football Hall of Fame this summer.
Thomas, who has worked exhibition games, will be a line judge for the 2015 season, the league announced Wednesday.
Richardson played 27 games with the Packers the past three seasons with 19 solo tackles on defense.
Locked up since early 2014, the former Packer will spend at least another nine years behind bars.
No cure for CTE is known. But a brain-scanning approach raises the possibility of detecting the disease early on.
Former NFL star Darren Sharper is returning to New Orleans to complete plea deals on charges that he drugged and sexually assaulted women.
Fans are encouraged to send pictures of them supporting their favorite quarterback.
Open game day positions include, ushers, parking attendants, text message staff, forklift driver and field cleaning supervisors.
According to online jail records, Sharper was moved to the St. Tammany Parish jail Wednesday.
Lattimore had 39 tackles last season for Green Bay.