1955
Mar 22 Raul Flores Sacramento, Ca KO 1
Mar 29 Ed Robertson Richmond, Ca KO 1
Apr 13 George Kennedy San Francisco, Ca KO 1
May 14 Clarence Williams Redding, Ca KO 3
Jun 22 Artie Lucido New York, NY KO 1
Aug 8 Shamus Jones San Francisco, Ca KO 2
Aug 26 Frank Buford San Francisco, Ca KO 8
Sep 13 Bill Davis Richmond Ca KO 1
Sep 27 Howard King Richmond, Ca KO 10
Nov 22 Max Chris Richmond, Ca KO 1
Dec 12 Benny Wise San Francisco, Ca W 10
1956
Feb 22 Julio Mederos San Francisco, Ca W 10
Apr 16 Nino Valdes San Francisco, Ca W 10
Jun 18 Matt Jackson San Francisco, Ca KO 4
Jul 11 Nino Valdes Miami Beach, Fl KO 8
Aug 16 Walter Hafer Portland, Or KO 4
Sep 4 Julio Mederos Portland, Or W 10
Oct 24 John Holman Portland, Or KO 7
Dec 5 Johnny Summerlin Syracuse, NY W 10
1957
Jan 25 Joey Maxim Miami Beach, Fl W 10
May 3 Joey Maxim Louisville, Ky W 10
Jul 24 Bob Baker Chicago, Il W 10
Sep 18 Edgardo Romero Portland, Or KO 5
Nov 13 Tommy "Hurricane" Jackson San Francisco, Ca KO 10
1958
Apr 9 Zora Folley San Francisco, Ca D 12
Sep 14 Ingemar Johansson Goteborg, Sweden LK 1
1959
Mar 5 "Young" Jack Johnson Portland, Or W 10
Mar 31 Clarence Williams Sacramento, Ca KO 9
May 20 Reuben Vargas San Francisco, Ca W 10
Jul 22 Reuben Vargas Portland, Or KO 6
Aug 11 Garvin Sawyer Fresno, Ca W 10
Sep 16 Willi Besmanoff Portland, Or W 10
Oct 27 Pat McMurtry Portland, Or KO 1
1960
Jan 18 Zora Folley San Francisco, Ca L 12
Feb 26 Billy Hunter New York, NY KO 9
May 20 Alex Miteff New York, NY W 10
Jun 8 Alonzo Johnson Chicago, Il W 10
Sep 7 Charles "Sonny" Liston Seattle, Wa L 12
Dec 19 Wayne Bethea Portland, Or W 10
1961
Feb 22 Garvin Sawyer Stockton, Ca KO 5
Apr 10 Mike DeJohn San Francisco, Ca W 10
Jul 1 Harold Johnson Atlantic City, NJ L 10
Sep 16 Mike DeJohn Syracuse, NY KO 9
Oct 17 Brian London London, Eng KO 5
Dec 2 Doug Jones Miami Beach, Fl W 10
1962
Apr 23 Bert Whitehurst Los Angeles, Ca KO 6
May 28 Roger Rischer San Francisco, Ca W 10
Jul 10 Cleveland Williams Houston, Tx D 10
1963
Sep 18 Ollie Wilson Santa Monica, Ca KO 6
Oct 12 Alonzo Johnson Santa Monica, Ca KO 9
Nov 5 Bill McMurray Sacramento, Ca KO 7
Nov 30 Dave Bailey Reno, Nv KO 8
1964
Feb 17 Duke Sabedong San Francisco, Ca KO 1
Jul 5 Floyd Patterson Stockholm, Sweden L 12
1965
Mar 5 Ernie Terrell Chicago, Il L 15
-WBA Heavyweight Championship of the World
May 10 Elmer Rush San Francisco, Ca D 10
1966
Feb 3 Karl Mildenberger Frankfurt, Ger L 10
Jun 3 Manuel Ramos Los Angeles, Ca L 10
Jun 23 Joey Orbillo Los Angeles, Ca W 10
Jul 15 Jerry Quarry Los Angeles, Ca W 10
Sep 29 George "Scrap Iron" Johnson Los Angeles, Ca W 10
Nov 21 Joe Frazier Los Angeles, Ca LT 10
1967
Mar 28 Henry Clark Sacramento, Ca L 12
May 26 Boone Kirkman Seattle, Wa LK 3
-Machen announced his retirement from the ring
*** Assistance Provided By Seth Callis ***
