The White Sox officially activated Munetaka Murakami from the injured list Friday and optioned Jacob Gonzalez to Triple-A Charlotte. Murakami, who played in two rehab games this week in Charlotte to complete his recovery from a strained right hamstring, will be in the lineup for the game tonight against the Athletics at Rate Field (6:40 p.m., CHSN, 1000-AM). A sellout crowd is expected. “He feels good. He’s ready to go,” manager Will Venable said Thursday when he announced that Murakami would b