Osibee Jelks is a short, stocky young man carrying a sizable ambition and an intense desire for which few are qualified: He wants to become the first of his race to umpire in the major leagues.

During the past 2 1/2 seasons, Tri-City baseball fans have gained respect for a colorful Negro umpire, one of two working in professional baseball, Osibee Jelks. Says he wants to become the first ...