49ers re-sign WR Kassim Osgood

The 49ers have brought back one of their core special teams players. Wide receiver Kassim Osgood has re-signed with San Francisco, the team said Friday. Osgood takes the roster spot of quarterback Josh Johnson, who was released. With Johnson off the roster, Blaine Gabbert is the only backup to Colin Kaepernick. The Niners also do…