Yahoo Sports reports: Chicago White Sox first baseman Munetaka Murakami, a Japanese slugger among Major League Baseball's top hitters, will be sidelined about four to six weeks, manager Will Venable said on Saturday.The White Sox, 31-27, stood second in the American League Central division, 2.5 games behind Cleveland, and left-handed hitter Murakami has been a major reason why Chicago is a contender.