 In 1947, Webber was placed on the Indians' retired list due to a nagging arm injury, which kept him out of professional baseball for the year; as a result he played semi-professional baseball in an attempt to keep himself in shape.Due to his performance at the semi-pro level, the Indians gave him an invitation to spring training for the 1948 season.After playing in one game April 26 against the Chicago White Sox, the last of his career, Webber was sold alongside Catfish Metkovich to the Oakland Oaks of the Pacific Coast League.