Broncos make push to acquire Colin Kaepernick, but contract an issue – The Denver Post
Former Indianapolis Colts player signs NFL contract after Colin Kaepernick workout
NFL Fans Boycott Football Over Colin Kaepernick
Kaepernick led the 49ers at the 2013 Super Bowl. Don't expect a mention this time, Colin Kaepernick
Colin Kaepernick lands new six-year deal to stay with 49ers – The Denver Post
Colin Kaepernick - Wikipedia
Colin Kaepernick of San Francisco 49ers opts out of contract - ESPN
TIMELINE: Colin Kaepernick's journey from SF 49ers star to kneeling to protest police brutality, racial injustice - ABC7 San Francisco
Kaepernick opts out of contract, becomes free agent
Kaepernick opts out of contract, becomes free agent - Sports Illustrated