Leo Patterson (The St. Louis Flash) boxer
- bouts
- 29
- won
- 15
- lost
- 11
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 1914-05-18
- Height
- -
- Reach
- -
- Age
- 55
- Born
- 1895-01-01
- Death
- 1950-03-05
- Nationality
- USA
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1930-08-18 | Otto Young | WWWWWW | Main St. Athletic Arena, Blytheville | LOST KO |
| 1930-03-04 | Ralph Long | WW | Jefferson Theater, Jefferson City | WIN Technical knockout |
| 1930-02-17 | Nick Broglio | WWDLWW | West Frankfort | LOST Points |
| 1930-02-12 | Kid Alfred | WLWDWW | Gem Theatre, Jefferson City | WIN |
| 1923-12-25 | Hugo Johnson | debut | Golden Gate A.C., Philadelphia | DRAW Points |
| 1923-11-02 | Johnny Mosely | WDLLDW | National A.C., Philadelphia | LOST |
| 1923-05-14 | Joe Mendell | WWWLLL | Broadway Auditorium, Buffalo | LOST Points |
| 1923-04-30 | Tommy Phillips | LWWLLW | Broadway Auditorium, Buffalo | LOST Points |
| 1923-04-16 | Tommy Phillips | LLWWLL | Broadway Auditorium, Buffalo | LOST |
| 1922-09-15 | Preston Brown | DWLLWL | National A.C., Philadelphia | LOST |
| 1922-09-08 | Young Sam Langford | LLWWWL | National A.C., Philadelphia | WIN |
| 1922-08-07 | Young Shedd | LLL | Murphy St. Ball Park, Lima | WIN KO |
| 1922-07-04 | Young Jamaica | debut | Murphy St. Ball Park, Lima | WIN KO |
| 1922-05-29 | Indian Horner | DWDLLL | Butler County Fairgrounds, Hamilton | DRAW |
| 1922-04-17 | Fast Black | WLLWDL | Springfield | WIN Points |
| 1921-07-25 | Havilah Uren | DWWLWL | Hippodrome, Sydney | LOST KO |
| 1921-07-11 | Ray Weekes | LLWWWW | Hippodrome, Sydney | WIN KO |
| 1921-06-25 | Sid Godfrey | WWLWLW | Sydney Stadium, Sydney | LOST Technical knockout |
| 1921-03-16 | Benny Caldwell | debut | Camp Grant arena, Rockford | WIN KO |
| 1920-10-15 | Young Harry Wills | debut | Springfield | WIN KO |
| 1920-09-06 | Memphis Red | LWW | Rockford | WIN |
| 1920-06-10 | Jackie Moore | LLLWLW | Akron | WIN |
| 1920-05-31 | Spider Howard | debut | Camp Grant arena, Rockford | WIN KO |
| 1920-05-10 | George Ford | debut | Springfield | WIN |
| 1920-04-28 | Eddie Carver | WLLWWD | Lyceum Theater, Cincinnati | NC No Contest |
| 1920-02-25 | Battling Ball | LL | Lyceum Theater, Cincinnati | WIN |
| 1920-01-28 | Young Sam Langford | debut | Chatterton, Springfield | WIN KO |
| 1920-01-01 | Battling Ball | L | Lyceum Theater, Cincinnati | WIN Technical knockout |
| 1919-12-01 | Kid Roux | LLDDWW | Southern A.C., Memphis | LOST Points |
| 1919-10-30 | Mexican Kid | LLLLLL | Temple Theatre, Alton | WIN KO |
| 1919-04-26 | Bushy Graham | LWWWWL | Cirque de Paris, Paris | WIN Points |
| 1918-01-01 | Earl Murphy | WWDWL | Army A.C., Little Rock | LOST Points |
| 1917-12-28 | Earl Murphy | WWWDW | Army A.C., North Little Rock | WIN Points |
| 1917-12-17 | Sunny Rumky | WD | Zenobia Hall, Toledo | WIN |
| 1917-11-12 | Mexican Kid | LLLLLL | Coliseum, Toledo | WIN KO |
| 1917-08-17 | Sunny Rumky | W | Zenobia Hall, Toledo | NC No Contest |
| 1917-07-30 | Kid Thompkins | debut | Zenobia Hall, Toledo | WIN KO |
| 1915-10-01 | Leo Johnson | WWWWWW | Saint Louis | LOST Points |
| 1914-05-18 | Leo Johnson | WDWWW | Memphis | LOST Points |