Ott was noted for reaching base via the base on balls (BB), or walk. He drew five walks in a game three times. He set the National League record for most walks in a doubleheader, with six, on October 5, 1929, and did it again on April 30, 1944. He tied an MLB record by drawing a walk in seven consecutive plate appearances (June 16–18, 1943). He also led the NL in walks six times: in 1929, 1931–1933, 1937, and 1942.