| # | Date | Promotion | Match |
| 1 | 22.09.1950 |   |
Best Two Out Of Three Falls: Bobby Bruns & Orville Brown defeat Tarzan Kowalski & Wladyslaw Talun [2:1] (24:00) CSW - Event @ Auditorium in St. Joseph, Missouri, USA |
| 2 | 31.10.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bobby Bruns [1:0] (60:00) NWA Iowa - Event @ KRNT Theater in Des Moines, Iowa, USA |
| 3 | 26.10.1949 |  |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Mike Sharpe [2:1] Wrestling In Evansville - Event @ Soldiers and Sailors Memorial Coliseum in Evansville, Indiana, USA |
| 4 | 29.09.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bill Longson by DQ [2:1] (33:00) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 5 | 26.09.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Joe Pazandak [2:1] (58:24) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 6 | 19.09.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Joe Pazandak - Time Limit Draw [1:1] (90:00) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 7 | 09.09.1949 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats El Sombra by DQ [2:0] GAC - Event @ City Auditorium in Houston, Texas, USA | |
| 8 | 08.09.1949 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sonny Myers [2:1] GAC - Event @ City Auditorium in Galveston, Texas, USA | |
| 9 | 06.09.1949 |  |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Roy Graham by referee's decision [1:0] Southwest Sports - Event @ Sportatorium in Dallas, Texas, USA |
| 10 | 02.09.1949 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Ruffy Silverstein [2:1] GAC - Event @ City Auditorium in Houston, Texas, USA | |
| 11 | 01.09.1949 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sonny Myers [2:1] (38:00) GAC - Event @ City Auditorium in Galveston, Texas, USA | |
| 12 | 30.08.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sandy O'Donnell [2:1] Southwest Sports - Event @ Sportatorium in Dallas, Texas, USA |
| 13 | 30.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sandor Kovacs (42:33) [2:0] Wrestling In Cleveland - Event @ Public Auditorium in Cleveland, Ohio, USA |
| 14 | 30.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sandor Kovacs [2:0] (42:33) MWA Ohio - Event @ Public Hall in Cleveland, Ohio, USA |
| 15 | 27.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls Match (Special Referee: Ed Lewis): Orville Brown (c) defeats Joe Pazandak [2:1] (40:03) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 16 | 24.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Tarzan Kowalski [2:1] CSW - Event @ City Auditorium in St. Joseph, Missouri, USA |
| 17 | 23.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Joe Pazandak [2:1] (38:35) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 18 | 16.06.1949 | |
Best Two Out Of Three Falls: Joe Pazandak & Tarzan Kowalski defeat Lou Newman & Orville Brown [2:0] (22:20) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 19 | 15.06.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Don Evans (14:32) MWA Ohio - Event @ Haft's Acre in Columbus, Ohio, USA |
| 20 | 14.06.1949 |  |
NWA World Heavyweight Title: Orville Brown (c) vs. Bronko Nagurski - Time Limit Draw (60:00) Minneapolis Boxing & Wrestling Club - Event @ Minneapolis Auditorium in Minneapolis, Minnesota, USA |
| 21 | 13.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Joe Pazandak by DQ [2:1] CSW - Event @ The Forum in Witchita, Kansas, USA |
| 22 | 09.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Joe Pazandak - Curfew Time Limit Draw [1:1] (112:00) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 23 | 07.06.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Bronko Nagurski by DQ (16:43) Minneapolis Boxing & Wrestling Club - Event @ Minneapolis Auditorium in Minneapolis, Minnesota, USA |
| 24 | 06.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Joe Pazandak defeats Orville Brown (c) [0:1] CSW - Event @ The Forum in Witchita, Kansas, USA |
| 25 | 04.06.1949 |  |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Black Shadow [1:0] (60:00) Klondike Wrestling - Event @ Victoria Pavillion in Calgary, Alberta, Canada |
| 26 | 03.06.1949 |
NWA World Heavyweight Title: Orville Brown (c) vs. Bronko Nagurski - Time Limit Draw (60:00) ATP - Event @ Auditorium in Winnipeg, Manitoba, Canada | |
| 27 | 02.06.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Pat McGill [2:1] Wrestling in Billings - Event @ Billings, Montana, USA |
| 28 | 30.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Laverne Baxter [2:1] Klondike Wrestling - Event @ Pavillion in Edmonton, Alberta, Canada |
| 29 | 27.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Earl McCready [2:1] Klondike Wrestling - Event @ Victoria Pavillion in Calgary, Alberta, Canada |
| 30 | 24.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Don Eagle [2:1] (23:13) CSW - Event @ Municipal Auditorium in Kansas City, Missouri, USA |
| 31 | 23.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Tiny Roebuck [2:1] (38:50) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 32 | 19.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bobby Bruns [2:1] (38:29) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 33 | 16.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Francois Miquet [2:0] CSW - Event @ The Forum in Witchita, Kansas, USA |
| 34 | 13.05.1949 |  |
NWA World Heavyweight Title: Orville Brown (c) vs. Buddy Rogers - No Contest (18:50) Sam Muchnick Sports Attractions - Event @ Kiel Auditorium in St. Louis, Missouri, USA |
| 35 | 09.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Roy Graham [2:1] (23:04) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 36 | 05.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Dean Detton [2:1] (21:30) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 37 | 04.05.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Roy Graham [2:1] CSW - Event @ Sedalia, Missouri, USA |
| 38 | 04.05.1949 | |
NWA World Heavyweight Title: Orville Brown (c) vs. Ronnie Etchison - Double Count Out (24:00) MWA Ohio - Event @ Fairgrounds Coliseum in Columbus, Ohio, USA |
| 39 | 28.04.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bobby Bruns by DQ [2:1] CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 40 | 27.04.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Roy Graham [2:1] by Count Out CSW - Event @ Sedalia, Missouri, USA |
| 41 | 25.04.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Dean Detton [2:1] CSW - Event @ The Forum in Witchita, Kansas, USA |
| 42 | 19.04.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Buddy Rogers by Count Out [2:1] Mississippi Valley Sports Club - Event @ Municipal Auditorium in Kansas City, Missouri, USA |
| 43 | 12.04.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats King Kong Kashey [2:1] CSW - Event @ Hutchinson, Kansas, USA |
| 44 | 11.04.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sonny Myers [2:1] (23:15) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 45 | 07.04.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Lucky Simunovich [2:1] (41:55) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 46 | 01.04.1949 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Ron Etchison [2:1] (47:08) AAC - Event @ Columbia Gym in Louisville, Kentucky, USA | |
| 47 | 28.03.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Don Eagle CSW - Event @ The Forum in Witchita, Kansas, USA |
| 48 | 25.03.1949 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Ronnie Etchison [2:1] AAC - Event @ Columbia Gym in Louisville, Kentucky, USA | |
| 49 | 24.03.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Don Lee (16:08) MWA Ohio - Event @ Memorial Hall in Columbus, Ohio, USA |
| 50 | 18.03.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Lucky Simunovich [2:1] (20:00) CSW - Event @ City Auditorium in St. Joseph, Missouri, USA |
| 51 | 17.03.1949 |
NWA World Heavyweight Title: Orville Brown (c) defeats Bronko Nagurski by Count Out (33:40) ATP - Event @ Auditorium in Winnipeg, Manitoba, Canada | |
| 52 | 15.03.1949 | |
NWA World Heavyweight Title / AWA World Heavyweight Title Match (Special Referee: Jack Sharkey): Frank Sexton (c) [AWA] vs. Orville Brown (c) [NWA] - Time Limit Draw (105:00) MWA Ohio - Event @ Cleveland Arena in Cleveland, Ohio, USA |
| 53 | 08.03.1949 | |
NWA World Heavyweight Title: Orville Brown (c) vs. Dick Raines - Time Limit Draw (60:00) Minneapolis Boxing & Wrestling Club - Event @ Minneapolis Auditorium in Minneapolis, Minnesota, USA |
| 54 | 04.03.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Bobby Bruns (33:04) Sam Muchnick Sports Attractions - Event @ Kiel Auditorium in St. Louis, Missouri, USA |
| 55 | 28.02.1949 |  |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Jim Wright [2:1] NWA Detroit - Event @ Arcadia in Detroit, Michigan, USA |
| 56 | 17.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bob Wagner [2:1] (29:40) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 57 | 15.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Buddy Rogers - Double Knock Out [1:1] MWA Ohio - Event @ Cleveland Arena in Cleveland, Ohio, USA |
| 58 | 14.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sonny Myers by referee's decision [1:1] CSW - Event @ The Forum in Witchita, Kansas, USA |
| 59 | 11.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bob Wagner [2:1] (26:00) CSW - Event @ Auditorium in St. Joseph, Missouri, USA |
| 60 | 08.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bobby Bruns [2:1] (34:49) MWA Ohio - Event @ Cleveland Arena in Cleveland, Ohio, USA |
| 61 | 07.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bob Wagner [2:1] (16:36) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 62 | 04.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Tarzan Kowalski [2:1] (25:00) CSW - Event @ Auditorium in St. Joseph, Missouri, USA |
| 63 | 03.02.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Ron Etchison (26:00) MWA Ohio - Event @ Memorial Hall in Columbus, Ohio, USA |
| 64 | 02.02.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Bobby Bruns - Double DQ [1:1] MWA Ohio - Event @ Central Armory in Cleveland, Ohio, USA |
| 65 | 27.01.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Don Eagle [2:0] (34:40) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 66 | 25.01.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bob Wagner [2:1] MWA Ohio - Event @ Central Armory in Cleveland, Ohio, USA |
| 67 | 24.01.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Bobby Bruns - Time Limit Draw [1:1] (90:00) CSW - Event @ The Forum in Witchita, Kansas, USA |
| 68 | 20.01.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Tarzan Kowalski [2:1] (47:40) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 69 | 14.01.1949 |
NWA World Heavyweight Title: Orville Brown (c) defeats Bronko Nagurski by DQ (27:00) ATP - Event @ Auditorium in Winnipeg, Manitoba, Canada | |
| 70 | 13.01.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Tug Carlson (29:45) MWA Ohio - Event @ Memorial Hall in Columbus, Ohio, USA |
| 71 | 11.01.1949 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Buddy Rogers - Time Limit Draw [1:1] (90:00) Tom Packs Sports Enterprises - Event @ Municipal Auditorium in Kansas City, Missouri, USA | |
| 72 | 06.01.1949 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Tug Carlson by Count Out (20:00) MWA Ohio - Event @ Memorial Hall in Columbus, Ohio, USA |
| 73 | 04.01.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Buddy Rogers by DQ [2:1] MWA Ohio - Event @ Central Armory in Cleveland, Ohio, USA |
| 74 | 03.01.1949 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Buddy Rogers - Time Limit Draw [0:0] (90:00) CSW - Event @ The Forum in Wichita, Kansas, USA |
| 75 | 27.12.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Ronnie Etchinson [2:1] (45:35) CSW - Event @ The Forum in Wichita, Kansas, USA |
| 76 | 22.12.1948 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Ali Baba (17:47) Sam Muchnick Sports Attractions - Event @ Kiel Auditorium in St. Louis, Missouri, USA |
| 77 | 21.12.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Ed Meske - Curfew Time Limit Decision [1:1] MWA Ohio - Event @ Central Armory in Cleveland, Ohio, USA |
| 78 | 20.12.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Buddy Rogers by DQ [2:1] (23:14) CSW - Event @ The Forum in Wichita, Kansas, USA |
| 79 | 17.12.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Buddy Rogers by DQ [2:1] (35:00) CSW - Event @ City Auditorium in St. Joseph, Missouri, USA |
| 80 | 14.12.1948 | |
NWA World Heavyweight Title: Orville Brown (c) vs. Len Hall - Time Limit Draw (60:00) Minneapolis Boxing & Wrestling Club - Event @ Minneapolis Auditorium in Minneapolis, Minnesota, USA |
| 81 | 13.12.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown defeats Tarzan Kowalski [2:1] (27:00) NWA Detroit - Event @ Arcadia in Detroit, Michigan, USA |
| 82 | 10.12.1948 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Don Eagle (17:24) Sam Muchnick Sports Attractions - Event @ Kiel Auditorium in St. Louis, Missouri, USA |
| 83 | 29.11.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Wladek Kowalski [2:1] (25:00) NWA Detroit - Event @ Arcadia in Detroit, Michigan, USA |
| 84 | 26.11.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Sonny Myers [2:1] (32:00) CSW - Event @ Auditorium in St Joseph, Missouri, USA |
| 85 | 25.11.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Don Eagle [2:1] (39:59) CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 86 | 24.11.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Ronnie Etchison [2:1] (29:32) CSW - Event @ National Guard Armory in Sedalia, Missouri, USA |
| 87 | 22.11.1948 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Ali Baba [2:1] (28:47) Pinkie George Promotions - Event @ Coliseum in Des Moines, Iowa, USA | |
| 88 | 18.11.1948 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Don Evans (40:00) MWA Ohio - Event @ Memorial Hall in Columbus, Ohio, USA |
| 89 | 17.11.1948 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Gil Knutson [2:0] (21:00) MWA Ohio - Event @ Municipal Auditorium in Zanesville, Ohio, USA | |
| 90 | 16.11.1948 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Ali Baba Wrestling In Cleveland - Event @ Cleveland Arena in Cleveland, Ohio, USA |
| 91 | 12.11.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bobby Bruns [2:1] (39:00) CSW - Event @ Auditorium in St Joseph, Missouri, USA |
| 92 | 08.11.1948 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) vs. Buddy Rogers - Time Limit Draw [0:0] (90:00) Los Angeles Booking Office - Event @ Hollywood Legion Stadium in Los Angeles, California, USA | |
| 93 | 05.11.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Roy Graham [2:1] CSW - Event @ Auditorium in St. Joseph, Missouri, USA |
| 94 | 04.11.1948 | |
NWA World Heavyweight Title: Orville Brown (c) vs. Don Eagle - Curfew Time Limit Draw [1:1] CSW - Event @ Memorial Hall in Kansas City, Kansas, USA |
| 95 | 01.11.1948 |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Buddy Rogers [1:0] (60:00) Los Angeles Booking Office - Event @ Hollywood Legion Stadium in Los Angeles, California, USA | |
| 96 | 29.10.1948 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Frankie Talaber (31:02) Sam Muchnick Sports Attractions - Event @ Kiel Auditorium in St. Louis, Missouri, USA |
| 97 | 15.10.1948 | |
NWA World Heavyweight Title: Orville Brown (c) defeats Ivan Rasputin (36:00) MWA Ohio - Event @ Memorial Hall in Columbus, Ohio, USA |
| 98 | 12.10.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Bobby Bruns - Curfew Time Limit Decision [1:0] (80:00) MWA Ohio - Event @ Central Armory in Cleveland, Ohio, USA |
| 99 | 11.10.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Don Eagle [2:1] CSW - Event @ The Forum in Wichita, Kansas, USA |
| 100 | 08.10.1948 | |
NWA World Heavyweight Title Best Two Out Of Three Falls: Orville Brown (c) defeats Don Eagle by referee's decision [1:1] (42:00) CSW - Event @ Auditorium in St. Joseph, Missouri, USA |
