Kyle Shanahan explains why the 49ers did not sign Colin Kaepernick, plus more
Did Colin Kaepernick really turn down offers to play football? If so, why isn't this publicized? - Quora
Colin Kaepernick's collusion case could embarrass many
Significance of Colin Kaepernick, Eric Reid settling grievance with NFL - Sports Illustrated
Colin Kaepernick opts out of 49ers contract
Did kneeling cost Colin Kaepernick's career or was he already on the decline? - Quora
The year in sports media: Colin Kaepernick, protests during anthem
Why 49ers Quarterback Colin Kaepernick Is Opting Out of His Contract
Colin Kaepernick Nearly Signed Last Week