 He was only the second bowler in history to successfully defend an ABC/USBC Masters title, winning the event in 1964 and 1965 to join Dick Hoover (1956–57).The feat was not matched again until Jason Belmonte won back-to-back Masters titles in 2013–14.Welu was born to Frank Joseph Welu (1895–1983) and Gertrude Mary Welu (1896–1964), he had a sister Patricia.