Show Brooklyn Rookie Improves Rapidly WASHINGTON April 11 W- W Freddy Maass probably will wind windup windup windup up with Brooklyn's Reading Pa Pil farm this summer but the Lafa Lafayette ette alumnus alumnus alumnus alum alum- nus already has been credited with i ithe the greatest advance shown by the Dod Dodgers ers this spring A college first baseman Maass worked so hard at his new job jab behind behind be be- hind the plate that Manager Casey Stengel says he has made as much i progress as S most catchers show in I three years |