 In 1948, younger brother John Weldon Glisson would also become a jockey.Within a few years, Gordon Glisson developed into a top jockey and in the 1948-1949 winter racing season he led all jockeys at Santa Anita Park in wins.In 1949 he also rode in New York State where he had four winners in one day and ended the year as the leading jockey in New York and in total won more races than any jockey in the United States.