This week, on “The World of sports”: When the boys are overseas, and off to war, baseball pitches in for the war effort. Trading bats for bullets, Yankees star Joe DiMaggio promises to give those Nazis a jolt. Ace fire baller, Bob Feller, has traded Cleveland gray for navy blue. Baseball biggest stars say: Look out Mr. Hitler, the Yanks are coming, not to mention the Indians, Red Sox, and Tigers.  Radio Sportscaster in A League of Their Own