George Jansen boxer
- bouts
- 22
- won
- 11
- lost
- 7
- draw
- 4
- Status
- inactive
- Division
- lightweight
- Debut
- 1899-06-17
- Height
- -
- Reach
- -
- Age
- -
- Born
- -
- Death
- -
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1913-01-20 | Young Loughrey | L | Rhode Island A.C., Providence | DRAW Points |
| 1912-05-14 | Tommy Moore | LL | Marieville A.C., North Providence | LOST |
| 1910-11-02 | Mickey Devine | debut | Rhode Island A.C., Thornton | WIN Points |
| 1907-12-25 | Mickey Gannon | WWWWWW | National A.C., Philadelphia | LOST |
| 1907-04-17 | Joe Gorman | LDDWW | National A.C., Philadelphia | DRAW |
| 1907-03-16 | Joe Gorman | LDD | National A.C., Philadelphia | LOST |
| 1907-03-09 | Johnny Murray | WWWWWW | National A.C., Philadelphia | WIN Technical knockout |
| 1907-01-16 | Unk Russell | DWWDWW | National A.C., Philadelphia | DRAW |
| 1906-10-16 | Kid Parlow | debut | Standard A.C., Lymansville | WIN Points |
| 1906-08-28 | Eddie Larkin | DDLDWL | Lymansville A.C., Lymansville | WIN KO |
| 1906-08-07 | Young Sayers | debut | Standard A.C., Lymansville | WIN Technical knockout |
| 1906-01-08 | Kid Stein | WWLDLW | Navarre A.C., New York | LOST |
| 1906-01-06 | Squire Burke | WL | National A.C., Philadelphia | WIN KO |
| 1906-01-05 | Patsy Sweeney | LLLLWD | Sharkey A.C., New York | DRAW |
| 1906-01-03 | Ambrose McGarry | LWW | Olympia Boxing Club, New York | DRAW |
| 1906-01-02 | Patsy Sweeney | DLLLLW | Colma A.C., Brooklyn | DRAW |
| 1905-12-27 | Jack Carroll | LW | Yankee A.C., New York | DRAW |
| 1905-12-12 | Tom Broderick | DLLLDL | New York | WIN |
| 1904-12-03 | Terry Martin | WLWWLD | National A.C., Philadelphia | WIN |
| 1904-10-29 | Eddie Haney | WWLLDD | National A.C., Philadelphia | WIN |
| 1904-08-22 | Billy Willis | LWDWLW | National A.C., Philadelphia | LOST |
| 1903-05-06 | Billy Ryder | debut | Brodbine Hall, Boston | LOST Points |
| 1900-07-07 | Joe Cain | LDWLL | Unique Theatre, New York | LOST KO |
| 1900-06-05 | Kid Thomas | LWWWWW | Seaside A.C., Brooklyn | LOST Points |
| 1900-05-25 | Jim Burke | WDDWWW | Broadway A.C., New York | LOST Points |
| 1900-03-10 | Frank Lockwood | debut | National A.C., Brooklyn | LOST KO |
| 1900-01-12 | Danny Duane | DWWDWL | Broadway A.C., Brooklyn | LOST KO |
| 1899-12-29 | Joe Hopkins | LLLLLL | Broadway A.C., New York | WIN Technical knockout |
| 1899-12-19 | Jack Ryan | WDDLWW | Troy | DRAW Points |
| 1899-12-15 | Jim McKeever | LDDLDD | Broadway A.C., Brooklyn | WIN Points |
| 1899-11-30 | Tommy Moran | DDDWWW | Greenwood A.C., Brooklyn | DRAW Points |
| 1899-10-21 | Sam Bolen | DLDDWW | National A.C., Brooklyn | DRAW Points |
| 1899-10-07 | Jack Smith | LLWDDW | National A.C., Brooklyn | WIN |
| 1899-06-17 | Denny Ward | DL | Pelican A.C., Brooklyn | WIN Technical knockout |