Leo Kossick (Young Kossick) boxer
- bouts
- 36
- won
- 19
- lost
- 4
- draw
- 6
- Status
- inactive
- Division
- lightweight
- Debut
- 1909-01-01
- Height
- 5′ 7″/170cm
- Reach
- -
- Age
- 83
- Born
- 1889-04-04
- Death
- 1972-12-05
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1916-01-18 | Jeff Seidl | debut | Auditorium, Saint Paul | LOST Technical knockout |
| 1914-03-18 | Labe Safro | WDLLWD | Fargo | LOST KO |
| 1913-10-13 | Freddie Welsh | WWWWWW | Billings | LOST Points |
| 1913-05-19 | Mickey MacIntyre | WLDWDW | Empire Theatre, Saskatoon | DRAW |
| 1913-03-31 | Bobby Scanlon | LLLDLL | Olympia A.C., Philadelphia | WIN |
| 1913-03-03 | Reddy Holt | LLWWLL | Olympia A.C., Philadelphia | WIN |
| 1912-11-21 | Young O'Brien | WD | Saskatoon | LOST |
| 1912-11-06 | Tommy Kilbane | LLLDLL | Saskatoon | WIN KO |
| 1912-10-11 | Charlie Lucca | LDDDDL | Saskatoon | DRAW Points |
| 1912-07-25 | Jimmy Potts | LWWDDL | Opera House, Fargo | WIN |
| 1912-07-01 | Mickey MacIntyre | WDWWWL | Saskatoon | DRAW Points |
| 1912-06-14 | Mickey MacIntyre | DWDWWW | Saskatoon | WIN |
| 1912-05-20 | Kid Herman | WWL | Regina | WIN KO |
| 1912-04-15 | Mickey MacIntyre | DDWDWW | Empire Theatre, Saskatoon | LOST Points |
| 1912-03-30 | Jack Rhodes | L | Moorhead | WIN KO |
| 1912-02-29 | Ben Cornish | debut | Sutherland | WIN KO |
| 1912-01-24 | Labe Safro | WWWWDL | Fargo | WIN Points |
| 1911-12-20 | Jimmy Potts | DDWLWW | Fargo | DRAW Points |
| 1911-12-14 | Leo Schrankel | debut | Hillsboro | WIN |
| 1911-12-06 | Labe Safro | LWWWWW | Moorhead | DRAW |
| 1911-11-22 | Kid Williams | LWLLL | Fargo | WIN KO |
| 1911-11-04 | Kid Williams | LWLL | Fargo | WIN |
| 1911-10-18 | Jack Rhodes | debut | Fargo | WIN KO |
| 1911-09-29 | Tommy McCarthy | L | Moorhead | WIN KO |
| 1911-06-10 | Tommy McCarthy | debut | Fargo | WIN KO |
| 1911-05-24 | Kid Williams | LWL | Fargo | WIN KO |
| 1911-05-01 | Al Thorpe | Fargo | WIN |
|
| 1911-02-22 | Roy Carter | debut | Fargo | WIN KO |
| 1911-01-31 | Al Withers | debut | Fargo | DRAW Points |
| 1911-01-25 | Jimmy Lally | debut | Moorhead | WIN KO |
| 1910-11-01 | Billy Schosier | debut | Fargo | WIN KO |
| 1910-09-01 | Danny Ritt | debut | Bismarck | DRAW Points |
| 1910-08-13 | Kid Chin | debut | Bismarck | WIN KO |
| 1910-07-17 | Kid Giles | Roller Rink, Fargo | WIN |
|
| 1910-01-25 | Joe Rueff | L | Moorhead | DRAW Points |
| 1910-01-05 | Joe Rueff | debut | Casselton | WIN Points |
| 1909-12-10 | Kid Reynolds | debut | Moorhead | WIN KO |
| 1909-10-15 | Spike Adams | Moorhead | WIN Unanimous decision |
|
| 1909-09-01 | Kid Mark | debut | Fargo | NC |
| 1909-08-01 | Al Thorpe | debut | Theatre Royal | NC |
| 1909-06-01 | Jack Nemzek | debut | Fargo | NC |
| 1909-04-01 | Kid Giles | debut | Fargo | NC |
| 1909-03-01 | Spike Adams | debut | Fargo | NC |
| 1909-02-01 | Kid Murphy | debut | Fargo | NC |
| 1909-01-01 | Jack Broad | debut | Fargo | NC |