At the peak of his career on February 25, 1920, Valgar met Johnny Kilbane, reigning World Featherweight Champion at the Newark Athletic Club in Newark, New Jersey for an eight round bout. New Jersey law did not allow decisions beyond eight rounds at the time. By agreement, a knockout would be required to take the title and in over one hundred fights only Benny Leonard had ever knocked out Kilbane. Valgar won the fight on a close points decision by the referees according to the "New York Times".