Don Cooper, who spent decades in Major League Baseball first as a pitcher and then as one of its most trusted architects of pitching craft, died this week at 70. He is remembered most for shaping the rotation that carried the Chicago White Sox to their 2005 World Series title — ending an 88-year drought and writing his name quietly but indelibly into the franchise's history. His was the kind of influence that rarely makes headlines but shows up unmistakably when the game is on the line.