Boxers with the best win ratio. Qualification - minimum of 40 contests.
This information is based on the very many records that I have in my collection and excludes boxers whose careers ended after Dec 31 1950.
Seaman Tommy Watson(Newcastle) 1927-35 0.92
Jock McAvoy(Rochdale) 1927-45 0.90
Teddy Baldock(Poplar) 1921-31 0.90
Hal Bagwell(Gloucester) 1936-49 0.89
Peter Kane(Golborne) 1932-51 0.89
Percy Jones(Porth) 1910-15 0.88
Tom Smith(Sunderland) 1932-47 0.88
L/Cpl. Miller(Loyal North Lancs Regiment) 1910-14 0.88
Arthur Danahar(Bethnal Green) 1934-47 0.87
Stan Kirby(Oakthorpe) 1935-39 0.86
Seaman Bill Storrie(Chatham) 1928-36 0.86
Jimmy Wilde(Tylorstown) 1910-23 0.86
Jack Beech(Bletchley) 1931-47 0.85
Joe Corbett(Blaydon) 1939-47 0.85
Chris Rock(Choppington) 1927-34 0.85
Tom Lancaster(Spennymoor) 1904-16 0.85
Bob Fitzgerald(Clerkenwell) 1930-32 0.84
Len Harvey(Stoke Climsland) 1920-42 0.84
Joe Rostron(Heywood) 1925-33 0.83
Nipper Pat Daly(Marylebone) 1924-31 0.83
Ronnie James(Swansea) 1933-47 0.83
Jim Winters(Glasgow) 1930-34 0.83
Tommy Milligan(Hamilton) 1921-28 0.82
Alf Edwards(Birmingham) 1937-47 0.82
Eddie Phillips(Bow) 1928-45 0.82
Jack Kid Berg(Whitechapel) 1924-45 0.82
George Rose(Bristol) 1926-47 0.82
Bob Spiller(Chatham) 1911-28 0.82
Bert Priestley(Mexborough) 1923-34 0.82
Ginger Watters(Lisburn) 1935-47 0.82
Jack Davies(Ashton-under-Lyne) 1928-36 0.81
Peter Banasko(Liverpool) 1933-44 0.81
Bombardier Billy Wells(Streatham) 1909-25 0.81
Herbert Booth(Chesterfield) 1932-39 0.81
Charlie Hall(North Shields) 1936-46 0.81
Sam Russell(Limehouse) 1910-19 0.81
Nel Tarleton(Liverpool) 1926-45 0.81
Mickey Thompson(Lowestoft) 1931-48 0.81
George McKenzie(Leith) 1920-29 0.80
Boy McIntosh(Blantyre) 1932-43 0.80
Ernie Roderick(Liverpool) 1931-50 0.80
Johnny Cusick(Manchester) 1932-49 0.80
Al Lyttle(Belfast) 1935-42 0.80
Peter Foscoe(London) 1911-19 0.80
Vivian Bethel(Oldham) 1909-19 0.80
Alby John(Wales) 1929-32 0.80
Joe Davis(Smithfield) 1938-42 0.80