Bob Cerv, who holds the single-season record for home runs by a Major League Baseball player in Kansas City history, died Thursday in Blair, Neb. He was 91. Cerv, who served during World War II, was friends with former President Harry Truman, played basketball and baseball at Nebraska and, as a member of the Yankees, roomed with Roger Maris and Mickey Mantle as they dueled for the home-run title in 1961... In six seasons with the Yankees, Cerv was mostly a part-time outfielder/pinch hitter, but he played in two World Series (1955 and 1956), and the Yankees won the 1956...