Days after picking up more than $6 million in salary-cap room when Carlos Rogers was officially off the books following his release, the San Francisco 49ers extended the contract of quarterback Colin Kaepernick through the 2020 season.Now, with the Kaepernick deal on the books for the 2014 season, the 49ers still have some cap wiggle room. According to ESPN Stats & Information, the 49ers have $6.422 million remaining in salary-cap room. The 49ers have signed their entire 12-player draft class.