Skip to main content
Kill The Body

and the head will die

Claudio Marrero vs Viktor Slavinskyi — record, stats and common opponents compared

🇩🇴SUPER LIGHTWEIGHT

Claudio Marrero

Cross-division

SUPER FEATHERWEIGHT

Viktor Slavinskyi

Claudio Marrero (27-5) and Viktor Slavinskyi (0-3 across 3 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.

Marrero

27

Wins19 KO · 70%

5

Losses

0

Draws32 tracked bouts

Slavinskyi

Tracked record

0–3

counted from 3 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

Marrero leads 1–0

Claudio Marrero and Viktor Slavinskyi have met 1 time; Marrero leads 1–0.

Claudio Marrero and Viktor Slavinskyi have met 1 time; Marrero leads 1–0.
Met2022Feb 26Series
Claudio MarreroFighter AWWon1–0W–L
Viktor SlavinskyiFighter BLLost0–1W–L
ResultMD1Meeting

The Numbers

Marrero 4 · Slavinskyi 1 of 5 measurable rows
MarreroSlavinskyi
Record†
27-5 (edge)0-3
Win %0–100%
84.4% (edge)
0%
Wins by knockoutmax 19
19 (edge)
0
KO ratenot comparable
70.37%—
Stoppage rate (tracked wins)‡not comparable
70%—
Times stopped‡max 2
2
0 (edge)
Title reignslevelmax 0
0
0
Bouts per year§max 2.6
2.6 (edge)
1
Bouts trackedcoveragemax 32
32
3

† 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

Heightnot held
Claudio Marrero: 5′8″
Viktor Slavinskyi: No height on file
Reachnot held
Claudio Marrero: 68″
Viktor Slavinskyi: No reach on file
Agenot held
Claudio Marrero: 37
Viktor Slavinskyi: No date of birth
Stance
Claudio Marrero: Southpaw
Viktor Slavinskyi: Not recorded

Claudio Marrero left, Viktor Slavinskyi right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

Super Lightweight against Super Featherweight. The two are listed in different weight classes, so the tape measures them as they stand rather than as a matchup.

How They Win

Tracked bouts only
Claudio Marrero27 wins · from 32 tracked bouts

Claudio Marrero: 27 tracked wins — 19 by KO/TKO (70%) and 8 on the cards (30%). Counted from 32 bouts Kill The Body has ingested.

19 by KO/TKO 70%8 on the cards 30%

Viktor Slavinskyi0 wins · from 3 tracked bouts

Viktor Slavinskyi: no tracked wins in the 3 bouts Kill The Body has ingested.

No tracked wins for Slavinskyi yet.

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Claudio Marrero 32, Viktor Slavinskyi 3 — 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

Claudio Marrero last boxed on Feb 11, 2023 — 1,346 days ago. Marrero had won three straight since losses to Abdul Barry Awad and Xavier Martinez.LLWWW

Awad Feb 2020Martinez Oct 2020Leal Sep 2021Slavinskyi Feb 2022Fuenzalida Feb 20232.6 tracked bouts per year

Viktor Slavinskyi has lost three straight. Slavinskyi last boxed on Mar 22, 2025 — 576 days ago.LLL

Marrero Feb 2022Vazquez Oct 2022Garcia Mar 20251 tracked bouts per year

Common Questions

With the rows behind them
Have Claudio Marrero and Viktor Slavinskyi ever fought each other?
Yes. Claudio Marrero and Viktor Slavinskyi met once on February 26, 2022, and Claudio Marrero won by MD.
The meeting

WFeb 26, 2022 · Marrero · MD

Head to Head ↓
Who has the better record, Marrero or Slavinskyi?
Claudio Marrero is 27-5 and Viktor Slavinskyi is 0-3 across the 3 bouts Kill The Body has tracked. Claudio Marrero has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Marrero27–584.4%

Slavinskyi0–30%

The Numbers ↓
Who has more knockouts, Marrero or Slavinskyi?
Claudio Marrero has 19 knockout wins and Viktor Slavinskyi has 0. Claudio Marrero has more.
Knockout wins · KO rate

Marrero1970.4%

Slavinskyi0

The Numbers ↓
Do Marrero and Slavinskyi have any common opponents?
Kill The Body's bout data shows no opponents that both Claudio Marrero and Viktor Slavinskyi have faced.
How much fight data does Kill The Body have on Marrero and Slavinskyi?
This comparison is drawn from 32 bouts tracked for Claudio Marrero and 3 bouts tracked for Viktor Slavinskyi. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Marrero32bouts

Slavinskyi3bouts

How They Win ↓

Compare someone else

6 suggested matchups

Compare Marrero with…

Compare Slavinskyi with…

Someone else?

Release either fighter to put someone new in that slot — the other one stays put.