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Cosme Rivera vs Óscar Delgado — record, stats and common opponents compared

🇲🇽SUPER LIGHTWEIGHT, WELTERWEIGHT

Cosme Rivera

Cosme Rivera (43-40-4) and Óscar Delgado (1-6 across 7 tracked bouts) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met 2 times. They share no common opponents in Kill The Body's bout data.

Rivera

43

Wins29 KO · 67%

40

Losses

4

Draws88 tracked bouts

Delgado

Tracked record

1–6

counted from 7 bouts Kill The Body has ingested

Heads up: at least one of these records is a tracked record — the wins and losses Kill The Body has ingested so far, not an independently verified career total. Treat the comparison as a read on the bouts we hold, not a settled ledger.

Head to Head

Series level 1–1

Cosme Rivera and Óscar Delgado have met 2 times; Series level 1–1.

Cosme Rivera and Óscar Delgado have met 2 times; Series level 1–1.
Met1997Sep 121998Oct 17Series
Cosme RiveraFighter ALLostWWon1–1W–L
Óscar DelgadoFighter BWWonLLost1–1W–L
ResultPTSKO2Meetings

The Numbers

Rivera 5 · Delgado 1 of 6 measurable rows
RiveraDelgado
Record†
43-40-4 (edge)1-6
Win %0–100%
51.7% (edge)
14.3%
Wins by knockoutmax 29
29 (edge)
0
KO ratenot comparable
67.44%—
Stoppage rate (tracked wins)‡0–100%
67% (edge)
0%
Times stopped‡max 19
19
6 (edge)
Title reignslevelmax 0
0
0
Bouts per year§max 2.7
2.7 (edge)
0.9
Bouts trackedcoveragemax 88
88
7

† One or both records are tracked, not career-verified. · ‡ Counted from bouts Kill The Body has ingested, not a career total. · § Across each fighter's tracked career span. · Bars are scaled per row — percentages on 0–100, counts against the larger of the two. Every figure is also printed as text.

Tale of the Tape

Agenot held
Cosme Rivera: 50
Óscar Delgado: No date of birth
Stance
Cosme Rivera: Orthodox
Óscar Delgado: Not recorded

Cosme Rivera left, Óscar Delgado right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Cosme Rivera43 wins · from 88 tracked bouts

Cosme Rivera: 43 tracked wins — 29 by KO/TKO (67%) and 14 on the cards (33%). Counted from 88 bouts Kill The Body has ingested.

29 by KO/TKO 67%14 on the cards 33%

Óscar Delgado1 win · from 7 tracked bouts

Óscar Delgado: 1 tracked win — 1 on the cards (100%). Counted from 7 bouts Kill The Body has ingested.

1 on the cards 100%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Cosme Rivera 88, Óscar Delgado 7 — not from a career-complete method table.

Common Opponents

No opponents in common across the bouts Kill The Body has tracked for these two.

Current Form

Oldest left · newest right

Cosme Rivera has lost two straight. Rivera last boxed on Jun 7, 2025 — 501 days ago.LLDLL

Carlson Feb 2022Macedo Mar 2022Chávez Oct 2022Angulo Nov 2022Sandoval Jun 20252.7 tracked bouts per year

Óscar Delgado last boxed on May 20, 2004 — 8,189 days ago. Delgado had lost five straight.LLLLL

Pestryayev Apr 1998Rivera Oct 1998Lewis Nov 2002Karass Jul 2003Quintana May 20040.9 tracked bouts per year

Common Questions

With the rows behind them
Have Cosme Rivera and Óscar Delgado ever fought each other?
Yes. Cosme Rivera and Óscar Delgado have met 2 times and the series is level at 1-1.
The 2 meetings

WOct 17, 1998 · Rivera · KO

LSep 12, 1997 · Delgado · PTS

Head to Head ↓
Who has the better record, Rivera or Delgado?
Cosme Rivera is 43-40-4 and Óscar Delgado is 1-6 across the 7 bouts Kill The Body has tracked. Cosme Rivera has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Rivera43–40–451.7%

Delgado1–614.3%

The Numbers ↓
Who has more knockouts, Rivera or Delgado?
Cosme Rivera has 29 knockout wins and Óscar Delgado has 0. Cosme Rivera has more.
Knockout wins · KO rate

Rivera2967.4%

Delgado0

The Numbers ↓
Do Rivera and Delgado have any common opponents?
Kill The Body's bout data shows no opponents that both Cosme Rivera and Óscar Delgado have faced.
How much fight data does Kill The Body have on Rivera and Delgado?
This comparison is drawn from 88 bouts tracked for Cosme Rivera and 7 bouts tracked for Óscar Delgado. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Rivera88bouts

Delgado7bouts

How They Win ↓

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