Report: Colin Kaepernick will opt out of his contract with the 49ers
Kaepernick officially opts out of 49ers' contract to become free
Colin Kaepernick opts out: Is his career with 49ers over?
Colin Kaepernick set to leave San Francisco 49ers, NFL News
Colin Kaepernick's 49ers deal now a guarantee – Boston Herald
Report: Colin Kaepernick officially opts out of 49ers contract
Colin Kaepernick Opts Out of Contract, Becomes a Free Agent
Setting The Record Straight On Colin Kaepernick As An NFL
Colin Kaepernick, Eric Reid resolve collusion grievances with NFL
After 5 Long Years San Francisco 49ers Finally Bids Adieu to Colin
Report: Ex-Nevada star QB Colin Kaepernick lands workout with