The petition has already attracted more than 150,000 signatures.
Some supporters have been organizing through Facebook Sept. 10 Standing for Kaepernick rallies at Soldier Field and other National Football League stadiums.
The Chicago Bears have largely been able to stay out of the growing conversation surrounding former San Francisco 49ers quarterback Colin Kaepernick, but the conversation will be brought to them before their season-opening game against the Atlanta Falcons.
"I am not going to stand up to show pride in a flag for a country that oppresses black people and people of color", Kaepernick said, to NFL.com. "To me, this is bigger than football and it would be selfish on my part to look the other way", Kaepernick told NFL media.More news: Knicks reportedly ask Carmelo Anthony to expand his wish list
He became a polarizing figure during the season, receiving praise and criticism from fans and spectators. Lee says he finds it suspicious that no one has signed Kaepernick despite his "proven talent".
"I do not have an update on Colin Kaepernick or our quarterback situation", said Baltimore Ravens head coach John Harbaugh.
"By standing for Kaepernick, we are standing for players' ability to raise awareness by taking small steps such as not standing for the national anthem without losing their jobs".
Kaepernick started 11 games for the 49ers in the 2016 season, throwing 16 touchdowns and four interceptions.