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Cosme Rivera vs Sammy Valentin — record, stats and common opponents compared

🇲🇽SUPER LIGHTWEIGHT, WELTERWEIGHT

Cosme Rivera

Sammy Valentin

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

Rivera

43

Wins28 KO · 65%

40

Losses

4

Draws88 tracked bouts

Valentin

Tracked record

1–1

counted from 2 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

Valentin leads 1–0

Cosme Rivera and Sammy Valentin have met 1 time; Valentin leads 1–0.

Cosme Rivera and Sammy Valentin have met 1 time; Valentin leads 1–0.
Met2016Mar 4Series
Cosme RiveraFighter ALLost0–1W–L
Sammy ValentinFighter BWWon1–0W–L
ResultKOR41Meeting

The Numbers

Rivera 4 · Valentin 2 of 6 measurable rows
RiveraValentin
Record†
43-40-4 (edge)1-1
Win %0–100%
51.7% (edge)
50%
Wins by knockoutmax 28
28 (edge)
1
KO ratenot comparable
65.12%—
Stoppage rate (tracked wins)‡0–100%
67%
100% (edge)
Times stopped‡max 19
19
1 (edge)
Title reignslevelmax 0
0
0
Bouts per year§max 2.7
2.7 (edge)
1.5
Bouts trackedcoveragemax 88
88
2

† 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
Sammy Valentin: No date of birth
Stance
Cosme Rivera: Orthodox
Sammy Valentin: Not recorded

Cosme Rivera left, Sammy Valentin 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%

Sammy Valentin1 win · from 2 tracked bouts

Sammy Valentin: 1 tracked win — 1 by KO/TKO (100%). Counted from 2 bouts Kill The Body has ingested.

1 by KO/TKO 100%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Cosme Rivera 88, Sammy Valentin 2 — 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 — 498 days ago.LLDLL

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

Sammy Valentin last boxed on Jul 7, 2017 — 3,390 days ago. Valentin had won one in a row before losing by stoppage to Giovani Santillan.WL

Rivera Mar 2016Santillan Jul 20171.5 tracked bouts per year

Common Questions

With the rows behind them
Have Cosme Rivera and Sammy Valentin ever fought each other?
Yes. Cosme Rivera and Sammy Valentin met once on March 4, 2016, and Sammy Valentin won by KO in round 4.
The meeting

LMar 4, 2016 · Valentin · KO R4

Head to Head ↓
Who has the better record, Rivera or Valentin?
Cosme Rivera is 43-40-4 and Sammy Valentin is 1-1 across the 2 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%

Valentin1–150%

The Numbers ↓
Who has more knockouts, Rivera or Valentin?
Cosme Rivera has 28 knockout wins and Sammy Valentin has 1. Cosme Rivera has more.
Knockout wins · KO rate

Rivera2865.1%

Valentin1

The Numbers ↓
Do Rivera and Valentin have any common opponents?
Kill The Body's bout data shows no opponents that both Cosme Rivera and Sammy Valentin have faced.
How much fight data does Kill The Body have on Rivera and Valentin?
This comparison is drawn from 88 bouts tracked for Cosme Rivera and 2 bouts tracked for Sammy Valentin. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Rivera88bouts

Valentin2bouts

How They Win ↓

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