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Lightweight boxing · most active 1980s

Juan Nazario

25–4 · 29 recorded bouts · 1982–1993

Boxing record

25–4

Juan Nazario finished 68% of 25 wins inside the distance — the 76th percentile for lightweight boxing, where the median is 51%. No reach is on record, so this page compares record rather than measurements.

19801990loss v Adriano Arreola, 1982, decisionwin v Tom Tripp, 1982, kowin v Rafael Pichardo, 1982, kowin v Jesus Carlos Velez, 1982, decisionwin v Roberto Ortiz, 1982, decisionwin v Edgardo Cirino, 1982, decisionwin v Jose Jimenez, 1983, kowin v Sammy Fuentes, 1983, kowin v Angel Lopez, 1983, decisionwin v Sam Johnson, 1983, kowin v David Lopez, 1983, kowin v Rosendo Ramirez, 1984, kowin v Freddy Chumpitaz, 1984, decisionwin v Carlos Albuerne, 1984, kowin v Jose Vidal Concepcion, 1984, kowin v Eduardo Prieto, 1984, kowin v Geronimo Emilio Luquez, 1985, decisionwin v Jose Mosqueda, 1986, kowin v Sam Johnson, 1986, koloss v Edwin Rosario, 1987, kowin v Billy White, 1988, kowin v Higinio DeLeon, 1989, kowin v William Rojas, 1989, koloss v Pernell Whitaker, 1990, kowin v Edwin Rosario, 1990, koloss v Silverio Flores, 1992, kowin v Kent Hardee, 1992, kowin v Braulio Santiesteban, 1992win v Angel Cordova, 1993, decision
WON ABOVE·LOST BELOW BAR = STOPPAGE·BROKEN BAR = SUBMISSION·TICK = DECISION 1982–1993

SOURCE·Juan Nazario — English Wikipedia (CC BY-SA 4.0)·derived figures computed here·REVIEWED 2026-07-08

How this record is compiled

  1. Measurements come from the fighter's English Wikipedia infobox; the bout list is parsed from the results table on the same article, read on 2026-07-08. Boxing tables are read by header name and MMA records by the fixed column order of the MMA record template — two different parsers, because reading MMA rows as a boxing table returns a fighter's boxing record in place of their real one.
  2. A bout enters the ledger with whatever fields the source states: result, opponent, method, round, year. Any field the source leaves empty stays empty here. A date that cannot be established is left blank rather than inferred, and the bout is still counted.
  3. A no contest is counted and printed as a no contest. It is never folded into the wins, the losses or the draws, and it never disappears to make a total balance.
  4. Where the article's infobox total disagrees with its own results table, both figures are published and each is labelled with where it came from. Nothing is averaged and nothing is reconciled against a second database.
  5. Percentiles rank this fighter among the 258 lightweight boxing fighters in the dataset — the most specific group of at least 30 that this fighter belongs to.

Sources, exclusions and known limits →

Bout record

Every bout the article's own results table lists, in order. A dash is a field the source leaves empty — it is not a zero and it is not a guess.

Bout-by-bout recordAUG 2026
YearResultOpponentMethodRd
1993 W Angel Cordova Decision10
1992 L Silverio Flores KO/TKO2
1992 W Kent Hardee KO/TKO1
1992 W Braulio Santiesteban —3
1990 L Pernell Whitaker KO/TKO1
1990 W Edwin Rosario KO/TKO8
1989 W Higinio DeLeon KO/TKO3
1989 W William Rojas KO/TKO6
1988 W Billy White KO/TKO6
1987 L Edwin Rosario KO/TKO8
1986 W Jose Mosqueda KO/TKO4
1986 W Sam Johnson KO/TKO3
1985 W Geronimo Emilio Luquez Decision10
1984 W Rosendo Ramirez KO/TKO5
1984 W Freddy Chumpitaz Decision10
1984 W Carlos Albuerne KO/TKO10
1984 W Jose Vidal Concepcion KO/TKO9
1984 W Eduardo Prieto KO/TKO9
1983 W Jose Jimenez KO/TKO5
1983 W Sammy Fuentes KO/TKO5
1983 W Angel Lopez Decision6
1983 W Sam Johnson KO/TKO3
1983 W David Lopez KO/TKO4
1982 L Adriano Arreola Decision6
1982 W Tom Tripp KO/TKO2
1982 W Rafael Pichardo KO/TKO3
1982 W Jesus Carlos Velez Decision4
1982 W Roberto Ortiz Decision4
1982 W Edgardo Cirino Decision4

4 of these opponents have their own page here.

SOURCE·Juan Nazario — English Wikipedia (CC BY-SA 4.0)·derived figures computed here·REVIEWED 2026-07-08

What is on record

Measurements
Reachnot recorded
Heightnot recorded
Stance—
DivisionLightweight Boxing
Most active decade1980s — 23 of 29 dated bouts
CountryUnited States

Wikipedia carries no reach figure for Juan Nazario, so the reach-advantage comparison this site is built on cannot be computed. Everything below comes from the record instead.

1990 loss vs Adriano Arreola (1982)win vs Tom Tripp (1982)win vs Rafael Pichardo (1982)win vs Jesus Carlos Velez (1982)win vs Roberto Ortiz (1982)win vs Edgardo Cirino (1982)win vs Jose Jimenez (1983)win vs Sammy Fuentes (1983)win vs Angel Lopez (1983)win vs Sam Johnson (1983)win vs David Lopez (1983)win vs Rosendo Ramirez (1984)win vs Freddy Chumpitaz (1984)win vs Carlos Albuerne (1984)win vs Jose Vidal Concepcion (1984)win vs Eduardo Prieto (1984)win vs Geronimo Emilio Luquez (1985)win vs Jose Mosqueda (1986)win vs Sam Johnson (1986)loss vs Edwin Rosario (1987)win vs Billy White (1988)win vs Higinio DeLeon (1989)win vs William Rojas (1989)loss vs Pernell Whitaker (1990)win vs Edwin Rosario (1990)loss vs Silverio Flores (1992)win vs Kent Hardee (1992)win vs Braulio Santiesteban (1992)win vs Angel Cordova (1993)
winlossdraw / NC1982–1993

Record

Boxing record

25–4

29 bouts on record

Finish rate

68%

of wins ended inside the distance — lightweight boxing median 51%, 76th percentile

By knockout: 17 (68%)By decision: 8 (32%)
  • By knockout 68%
  • By decision 32%

The career, bout by bout

29 recorded bouts from 1982 to 1993. Every incumbent shows this as a table you have to read; here it is as a shape you can see.

Career span

12y

1982–1993

Longest unbeaten run

18

without a loss — draws do not break it

Busiest year

1982

6 bouts

Recorded bouts

29

29 with a date

Standing questions

What this record does and does not say

What is Juan Nazario's record?
25–4 in boxing. That is the aggregate stated in the English Wikipedia infobox; the results table on the same article lists 29 bouts individually.
Does a no contest change a record here?
No. A no contest is not a win, a loss or a draw, and it is never folded into one. It is counted and printed separately, so a 20–0 record with two no contests is shown as exactly that rather than as 22–0 or as 20–0 with the no contests dropped. The same applies to a bout overturned after the fact where the source records the change.
What happens when sources disagree about a fight?
This site publishes one source — the fighter's English Wikipedia article, read on the date printed under every table — and it does not silently reconcile that against anyone else's database. Where the article's own infobox total and its own results table disagree, both are shown and the page says which one each figure came from. Nothing is averaged, and no field is filled in from a second source to make a total balance.

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Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.