Colin Kaepernick isn't taking it upon himself to determine which 49ers safety has what it takes to replace Dashon Goldson. But Kaepernick attacked C.J. Spillman's deep coverage on back-to-back passes in Tuesday's practice, resulting in completions to Vernon Davis and Anquan Boldin. On Saturday, Kaepernick found Kyle Williams for a 40-yard completion against safety Eric [...]