After returning to the Steam Roller for their championship season, Sonnenberg again wrestled Lewis for the world title on January 4, 1929, and won the championship. Sonnenberg held the title for nearly two years before losing it to Ed Don George on December 10, 1930, in Los Angeles.
Sonnenberg returned to the Steam Roller for their championship season and contested against Lewis for the world title on January 4, 1929, winning the championship. Sonnenberg held the title for nearly two years before losing it to Ed Don George in Los Angeles on December 10, 1930.