Sindulfo Diaz boxer
- bouts
- 88
- won
- 49
- lost
- 28
- draw
- 11
- Status
- inactive
- Division
- bantamweight
- Debut
- 1927-11-27
- Height
- -
- Reach
- -
- Age
- -
- Born
- 1910-12-10
- Death
- -
- Nationality
- Puerto Rico
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1938-01-18 | Johnny Dube | WWWWLW | New York Coliseum, Bronx | LOST Points |
| 1938-01-05 | Johnny Rinaldi | LWDWLW | Hippodrome, New York | LOST Points |
| 1937-12-21 | Nunzio Bisogno | WWLWLW | New York Coliseum, Bronx | LOST Points |
| 1937-11-20 | Sedgwick Harvey | WWWWWW | Rockland Palace, New York | LOST Points |
| 1937-11-06 | Eugene Emanuel | LLLLWW | Rockland Palace, New York | DRAW Points |
| 1937-10-25 | Steve Padon | DWWLDL | Royal Windsor Palace, New York | LOST Points |
| 1937-09-13 | Victor Vallee | WWWWWW | Valley Arena, Holyoke | LOST Points |
| 1937-08-09 | Mickey Duca | WLLDLL | Braddock Bowl, Jersey City | WIN Points |
| 1937-06-08 | Tony Marteliano | DDWWWW | Queensboro Arena, Long Island City, Queens | LOST Points |
| 1937-03-06 | Jimmy Murray | DLLWWL | Ridgewood Grove, Brooklyn | WIN Points |
| 1937-03-02 | Sammy Julian | WWWLWW | New York Coliseum, Bronx | DRAW Points |
| 1937-02-09 | Babe Synnott | WLWLDW | New York Coliseum, Bronx | WIN Points |
| 1937-01-26 | Young Chappie | WWWWLL | New York Coliseum, Bronx | WIN Points |
| 1937-01-13 | Salvy Saban | WWWWWW | Hippodrome, New York | LOST Technical knockout |
| 1936-10-27 | Jeff Furrone | LWLWWW | Braddock Arena, Jersey City | DRAW Points |
| 1935-08-01 | Eddie Dolan | DWWWWW | Lakewood Arena, Waterbury | LOST Points |
| 1935-06-24 | Charley Gomer | LWWWL | Valley Arena, Holyoke | DRAW Points |
| 1935-06-17 | Roland LeCuyer | WWWWWL | Valley Arena, Holyoke | WIN Unanimous decision |
| 1935-05-27 | Jack De Santis | LLLWLL | Jamaica Arena, Jamaica, Queens | WIN KO |
| 1934-09-28 | Al King | WLDWLL | Jamaica Arena, Jamaica, Queens | WIN Technical knockout |
| 1932-06-04 | Sixto Escobar | WWWLLL | Caracas | LOST Points |
| 1932-02-27 | Pedro Montanez | WWWLLW | Caracas | DRAW Points |
| 1931-12-04 | Guillermo Nelson | WLWLD | San Juan Stadium, San Juan | LOST Points |
| 1931-09-27 | Vicente Abadia | WWLLWD | San Juan Stadium, San Juan | WIN Points |
| 1931-09-06 | Guillermo Nelson | WDWLWL | San Juan Stadium, San Juan | DRAW Points |
| 1931-05-31 | Enrique Chaffardet | WWWWWW | Caracas | LOST Points |
| 1931-04-12 | Enrique Chaffardet | WWWWWW | Caracas | LOST Points |
| 1931-01-16 | Guillermo Nelson | WLLWLW | Victory Garden Stadium, San Juan | DRAW Points |
| 1930-11-14 | Johnny Vestri | LWWWWL | 106th Infantry Regiment Armory, Brooklyn | DRAW Points |
| 1930-10-30 | Frankie Neve | DLLWWL | Olympia A.C., New York | WIN KO |
| 1930-10-23 | Al Girardi | LWWLLW | Park Arena, Bridgeport | WIN Points |
| 1930-10-09 | Miki Gelb | WWWWWW | Park Theatre, Bridgeport | WIN Points |
| 1930-10-06 | Frankie Marchese | LLLLWD | New Lenox S.C., New York | WIN Points |
| 1930-09-17 | Pete DeGrasse | DDWWDW | Mitchel Field Arena, Mineola | DRAW Points |
| 1930-09-06 | Jimmy Bones | WWLLWW | Walnut Beach Stadium, Milford | WIN Points |
| 1930-09-03 | Tommy Lorenzo | WWWWLL | Mitchel Field Arena, Mineola | WIN KO |
| 1930-08-20 | Pete DeGrasse | DWWDDW | Mitchel Field Arena, Mineola | LOST Points |
| 1930-08-07 | Tommy Lorenzo | LDWWWW | Newfield Park, Bridgeport | WIN Points |
| 1930-07-25 | Sammy Gelber | LDWWWW | Arena, New Haven | LOST Points |
| 1930-07-19 | Jimmy Watts | LWLWWW | Walnut Beach Stadium, Milford | WIN Points |
| 1930-06-11 | Jimmy Palumbo | LWWWWL | Mitchel Field Arena, Mineola | WIN Points |
| 1930-05-06 | Benny Britt | WLWLDL | 22nd Engineers' Armory, New York | WIN Points |
| 1930-04-25 | Joe Ryder | WLWLWW | 106th Infantry Regiment Armory, Brooklyn | LOST Points |
| 1930-04-09 | Mickey Doyle | LLWLLL | Mitchel Field Arena, Mineola | WIN Points |
| 1930-02-14 | Frankie Anselm | DDWWWW | 106th Infantry Regiment Armory, Brooklyn | LOST Points |
| 1930-01-31 | Sammy Tisch | LLLLLL | 106th Infantry Regiment Armory, Brooklyn | WIN Points |
| 1929-12-14 | Johnny Pena | LWLDWW | 14th Regiment Armory, Brooklyn | LOST Points |
| 1929-12-03 | Eddie Enos | DLWWLL | Columbus Hall, Stamford | WIN Points |
| 1929-11-29 | Fred Monte | WWWWWW | 106th Infantry Regiment Armory, Brooklyn | WIN Points |
| 1929-11-15 | Jimmy Bones | WLLLWL | Rakoczi Hall, Bridgeport | WIN Technical knockout |
| 1929-10-23 | Al Peters | WWLWWD | Mitchel Field Arena, Mineola | WIN Points |
| 1929-10-22 | Nick DeSalvo | DWLWLL | Columbus Hall, Stamford | WIN Points |
| 1929-10-18 | Johnny Pena | WWDLWL | 106th Infantry Regiment Armory, Brooklyn | DRAW Points |
| 1929-10-04 | Johnny Pena | WWWDLW | 106th Infantry Regiment Armory, Brooklyn | WIN Points |
| 1929-10-01 | Teddy Seidman | LDLWWL | Columbus Hall, Stamford | WIN KO |
| 1929-09-25 | Pete DeGrasse | WWWDLW | Mitchel Field Arena, Mineola | WIN Points |
| 1929-09-19 | Jimmy Bones | WWLLLW | Newfield Park, Bridgeport | WIN Points |
| 1929-09-12 | Pete Lucci | LWWLWL | Newfield Park, Bridgeport | WIN Points |
| 1929-09-04 | Routier Parra | DLLLLL | Mitchel Field Arena, Mineola | WIN Technical knockout |
| 1929-08-21 | Eddie Ziegler | LDDLLL | Mitchel Field Arena, Mineola | WIN KO |
| 1929-08-15 | Tommy Brown | WWLWWW | Newfield Park, Bridgeport | WIN Points |
| 1929-08-02 | KO Morgan | WWWWWW | Newfield Park, Bridgeport | WIN Points |
| 1929-07-24 | Pete DeGrasse | LWWWWW | Mitchel Field Arena, Mineola | LOST Points |
| 1929-07-10 | Pete DeGrasse | WLWWWW | Mitchel Field Arena, Mineola | LOST Points |
| 1929-06-19 | Pete DeGrasse | LDWLWW | Mitchel Field Arena, Mineola | LOST Points |
| 1929-06-12 | Eddie Ziegler | WLDLWW | Mitchel Field Arena, Mineola | WIN Points |
| 1929-05-22 | Jimmy Picardi | WWWLLL | Bulkeley Stadium, Hartford | LOST Points |
| 1929-05-15 | Johnny Dixon | WWLLLL | Mitchel Field Arena, Mineola | WIN Points |
| 1929-05-07 | KO Morgan | LLWWWL | Columbus Hall, Stamford | LOST Points |
| 1929-05-02 | Jimmy Liano | LWWLLW | Foot Guard Hall, Hartford | WIN Technical knockout |
| 1929-04-25 | Jimmy Picardi | LWLWWW | Foot Guard Hall, Hartford | LOST Points |
| 1929-04-17 | Eddie Enos | LWWWWL | Mitchel Field Arena, Mineola | DRAW Points |
| 1929-04-16 | KO Morgan | WLLWWW | Columbus Hall, Stamford | WIN Points |
| 1929-04-03 | Long Sing Que | LWLLLL | Mitchel Field Arena, Mineola | WIN Points |
| 1929-03-20 | Elmer Lytle | LLLWLW | Mitchel Field Arena, Mineola | WIN KO |
| 1929-01-11 | Koli Kolo | WWLLWW | Victory Garden Stadium, San Juan | LOST KO |
| 1928-12-23 | Luis M Caballero | DWLWWW | San Juan Stadium, San Juan | WIN Points |
| 1928-09-09 | Pedro Ayala | LWW | Balboa Stadium, Mayaguez | LOST Points |
| 1928-08-20 | Francisco Ramos | debut | Santo Domingo | WIN Technical knockout |
| 1928-07-08 | Roberto Nadal | WWLL | Balboa Stadium, Mayaguez | WIN Points |
| 1928-06-08 | Ray Ortega | WWLWLW | Victory Garden Stadium, San Juan | WIN Points |
| 1928-05-27 | Francisco Torres | WLLWWL | San Juan Stadium, San Juan | WIN Points |
| 1928-04-20 | Jose Lago | WWWWLW | Victory Garden Stadium, San Juan | LOST Points |
| 1928-03-11 | Jose G. Colon | WLWW | Victory Garden Stadium, San Juan | WIN Points |
| 1928-02-10 | Carlos Morales | LW | Victory Garden Stadium, San Juan | WIN KO |
| 1928-01-20 | Francisco Torres | LDWWL | Victory Garden Stadium, San Juan | WIN Points |
| 1928-01-01 | Andres Benitez | D | Balboa Stadium, Mayaguez | LOST Points |
| 1927-11-27 | Areopajitas Mejias | LL | Balboa Stadium, Mayaguez | WIN Points |
