Giants fire veteran manager Bob Melvin after two years as Buster Posey seeks 'different voice'

+3 National News Giants fire veteran manager Bob Melvin after two years as Buster Posey seeks 'different voice' By JANIE McCAULEY - AP Baseball Writer Updated 13 mins ago Manager Bob Melvin has been fired by the San Francisco Giants after the club missed the playoffs for a fourth straight season. Giants Presiden…