Johnny Mendelsohn boxer
- bouts
- 21
- won
- 12
- lost
- 8
- draw
- 1
- Status
- inactive
- Division
- lightweight
- Debut
- 1917-09-28
- Height
- 5′ 4½″/164cm
- Reach
- -
- Age
- 88
- Born
- 1899-06-18
- Death
- 1987-09-14
- Nationality
- Canada
| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1927-06-23 | Al Mello | WWLWWL | Mechanics Building, Boston | LOST KO |
| 1927-05-02 | Joe Dundee | WWWWLW | Carlin's Park, Baltimore | LOST Technical knockout |
| 1927-02-28 | Billy Showers | WLDLLD | Empress Theater, Milwaukee | LOST |
| 1927-02-21 | Billy Bortfield | LLLWWW | Auditorium, Milwaukee | LOST |
| 1926-08-19 | Floyd Hybert | WLWWWL | Olympic Arena, Brooklyn | LOST Technical knockout |
| 1926-08-03 | Jimmy Finley | WWLW | Broadway Bowl, Louisville | LOST |
| 1926-02-26 | Shuffle Callahan | LWLWD | East Chicago | LOST KO |
| 1926-01-01 | Al Russell | WLLLWD | Auditorium, Milwaukee | WIN KO |
| 1925-11-20 | Frankie Welsh | LWWWWW | East Chicago | LOST |
| 1925-11-09 | Buddy McDonald | WWDWWL | Empress Theater, Milwaukee | WIN |
| 1925-09-29 | Bobby Barrett | LWLLLW | State Fair Park, Milwaukee | LOST |
| 1925-08-14 | Jack Zivic | DWWWLL | State Fair Park, Milwaukee | LOST |
| 1925-01-30 | Clyde Jeakle | LWWDWW | Coliseum, Toledo | DRAW |
| 1924-11-28 | Jack Zivic | LWWWWL | Arena Gardens, Detroit | LOST Points |
| 1924-10-27 | Jack McCarthy | WWWWLW | Empress Theater, Milwaukee | LOST |
| 1924-06-06 | Johnny O'Donnell | DWWLDL | Auditorium, Milwaukee | LOST |
| 1924-04-04 | Nate Goldman | WWDLWW | Auditorium, Milwaukee | LOST |
| 1924-02-18 | Joe Tiplitz | LLLWWW | Auditorium, Milwaukee | WIN |
| 1924-01-31 | Herb Brodie | WWWWW | Rink S.C., Brooklyn | DRAW Points |
| 1923-11-26 | Pal Moran | LLLDLW | Auditorium, Milwaukee | LOST |
| 1923-10-05 | Eddie Boehme | DDLWWW | Arena Ice Gardens, Milwaukee | WIN KO |
| 1923-09-07 | Benny Leonard | WWWWWW | Shibe Park, Philadelphia | LOST |
| 1923-08-01 | Johnny Clinton | WWWWWL | Velodrome, New York | LOST Points |
| 1923-07-11 | Rocky Kansas | WWWWWW | Arena Ice Gardens, Milwaukee | LOST |
| 1923-06-08 | Sailor Friedman | WWLWWW | The Coliseum, Detroit | LOST |
| 1923-03-09 | Johnny Schauer | WWLDLW | Auditorium, Milwaukee | WIN |
| 1923-01-22 | Sid Barbarian | WWWWLW | Detroit | DRAW |
| 1922-11-03 | Lew Tendler | LWWWLW | Auditorium, Milwaukee | LOST |
| 1922-10-13 | George Eagel | LLLLDW | Castle Ice Gardens, Milwaukee | WIN |
| 1922-07-18 | Tommy O'Brien | WLWWDW | Castle Ice Gardens, Milwaukee | LOST |
| 1922-06-30 | Joe Jawson | WDLWDW | Castle Ice Gardens, Milwaukee | WIN |
| 1922-06-12 | Tommy O'Brien | WWLWWD | Castle Ice Gardens, Milwaukee | LOST |
| 1922-03-20 | Pete Hartley | WWLLWW | Madison Square Garden, New York | WIN Points |
| 1922-01-31 | Joe Jawson | LWWLWD | Empress Theater, Milwaukee | LOST |
| 1921-11-22 | Rocky Kansas | LWWWWW | Auditorium, Milwaukee | LOST |
| 1921-10-07 | Benny Valger | WWWWLW | Auditorium, Milwaukee | WIN |
| 1921-05-16 | Richie Mitchell | WWLWLL | Auditorium, Milwaukee | WIN |
| 1921-03-30 | Clonie Tait | LWLWWW | Auditorium, Milwaukee | LOST |
| 1921-02-21 | Ever Hammer | DDWDDD | Empress Theater, Milwaukee | WIN |
| 1921-01-31 | Tony Zill | WLLDWW | Coliseum, Toledo | WIN |
| 1920-12-21 | Otto Wallace | LLWLWL | Empress Theater, Milwaukee | WIN |
| 1920-12-14 | Bobby Ward | WWDW | Auditorium, Milwaukee | LOST |
| 1920-10-26 | Eddie Boehme | LWWWDW | Auditorium, Milwaukee | WIN |
| 1920-10-15 | Eddie Mahoney | DWDWWL | Empress Theater, Milwaukee | WIN Technical knockout |
| 1920-06-18 | Ray Temple | WWLLWL | Empress Theater, Milwaukee | WIN |
| 1920-05-19 | Johnny Drummie | WWLWL | Navin Field, Detroit | LOST |
| 1920-04-30 | Bobby Ward | LLWWWW | Saginaw | WIN |
| 1920-03-17 | Mel Coogan | DWWLD | Roller Palace Rink, Detroit | LOST |
| 1920-02-25 | Tony Zill | DWWLWW | National S.C., Detroit | WIN |
| 1920-02-04 | Willie Beecher | WLWLWD | Roller Palace Rink, Detroit | WIN |
| 1919-12-06 | Otto Wallace | LWLDDW | Auditorium, Milwaukee | WIN |
| 1919-11-26 | Walter Jacobson | LWLDLD | Auditorium, Milwaukee | WIN Technical knockout |
| 1919-10-10 | Johnny Heiderer | DWLDLW | Auditorium, Milwaukee | WIN |
| 1919-09-19 | Tony Dennis | WWWDWW | Auditorium, Milwaukee | LOST |
| 1919-06-23 | Maurice Flynn | DLDWWD | La Salle | WIN Points |
| 1919-02-28 | Johnny Heiderer | WWLDWL | Coliseum, Toledo | DRAW |
| 1919-02-25 | Otto Wallace | LLLWWL | Detroit | LOST |
| 1919-02-18 | Willie Ames | WDDLLL | Memorial Hall, Toledo | WIN Technical knockout |
| 1919-02-13 | Willie Doyle | LLLWWD | Detroit | WIN |
| 1919-02-11 | Tommy Long | LL | Detroit | WIN KO |
| 1919-01-28 | Chick Maglione | DLLWWD | Coliseum, Toledo | WIN |
| 1918-12-09 | Tony Dennis | WWWWWW | Auditorium, Milwaukee | WIN |
| 1918-11-29 | Tony Dennis | WWWWWW | Auditorium, Milwaukee | LOST |
| 1918-04-30 | Teddy Hayes | LLLWDL | Auditorium, Milwaukee | WIN Technical knockout |
| 1918-03-23 | Johnny Heiderer | LLDWWW | Auditorium, Milwaukee | WIN |
| 1918-01-24 | Pinky Mitchell | W | Elite Rink, Milwaukee | WIN |
| 1917-11-06 | Henry Lenard | WDLLWW | Auditorium, Milwaukee | WIN Technical knockout |
| 1917-10-19 | Johnny Heiderer | WLL | Auditorium, Milwaukee | WIN |
| 1917-10-04 | George Gray | DLWW | Mant's Academy, Milwaukee | WIN |
| 1917-09-28 | Young Nequette | debut | Auditorium, Milwaukee | WIN KO |