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Kill The Body

and the head will die

Jimmy Kelly vs Stiliyan Kostov — record, stats and common opponents compared

Jimmy Kelly

Stiliyan Kostov

Jimmy Kelly (30-3) and Stiliyan Kostov (0-4 across 4 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.

Kelly

30

Wins12 KO · 40%

3

Losses

0

Draws33 tracked bouts

Kostov

Tracked record

0–4

counted from 4 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

Kelly leads 1–0

Jimmy Kelly and Stiliyan Kostov have met 1 time; Kelly leads 1–0.

Jimmy Kelly and Stiliyan Kostov have met 1 time; Kelly leads 1–0.
Met2017Sep 23Series
Jimmy KellyFighter AWWon1–0W–L
Stiliyan KostovFighter BLLost0–1W–L
ResultTKOR41Meeting

The Numbers

Kelly 4 · Kostov 0 of 4 measurable rows
KellyKostov
Record†
30-3 (edge)0-4
Win %0–100%
90.9% (edge)
0%
Wins by knockoutmax 12
12 (edge)
0
KO ratenot comparable
40%—
Stoppage rate (tracked wins)‡not comparable
40%—
Times stopped‡levelmax 2
2
2
Title reignslevelmax 0
0
0
Bouts per year§max 2.4
2.4 (edge)
1.3
Bouts trackedcoveragemax 33
33
4

† 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
Jimmy Kelly: 6′0″
Stiliyan Kostov: No height on file
Agenot held
Jimmy Kelly: 34
Stiliyan Kostov: No date of birth
Stance
Jimmy Kelly: Orthodox
Stiliyan Kostov: Not recorded

Jimmy Kelly left, Stiliyan Kostov right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Jimmy Kelly30 wins · from 33 tracked bouts

Jimmy Kelly: 30 tracked wins — 12 by KO/TKO (40%), 17 on the cards (57%) and 1 by another method or unrecorded (3%). Counted from 33 bouts Kill The Body has ingested.

12 by KO/TKO 40%17 on the cards 57%1 by another method or unrecorded 3%

Stiliyan Kostov0 wins · from 4 tracked bouts

Stiliyan Kostov: no tracked wins in the 4 bouts Kill The Body has ingested.

No tracked wins for Kostov yet.

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Jimmy Kelly 33, Stiliyan Kostov 4 — 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

Jimmy Kelly has won four straight since losing by stoppage to Jaime Munguia. Kelly last boxed on Nov 28, 2025 — 334 days ago.LWWWW

Munguia Jun 2022Diaz Feb 2023Velasco Nov 2023Saengarun May 2025Mueanphong Nov 20252.4 tracked bouts per year

Stiliyan Kostov last boxed on Sep 23, 2017 — 3,322 days ago. Kostov had lost four straight.LLLL

Koivula Aug 2014Jackiewicz Feb 2016Rose Oct 2016Kelly Sep 20171.3 tracked bouts per year

Common Questions

With the rows behind them
Have Jimmy Kelly and Stiliyan Kostov ever fought each other?
Yes. Jimmy Kelly and Stiliyan Kostov met once on September 23, 2017, and Jimmy Kelly won by TKO in round 4.
The meeting

WSep 23, 2017 · Kelly · TKO R4

Head to Head ↓
Who has the better record, Kelly or Kostov?
Jimmy Kelly is 30-3 and Stiliyan Kostov is 0-4 across the 4 bouts Kill The Body has tracked. Jimmy Kelly has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Kelly30–390.9%

Kostov0–40%

The Numbers ↓
Who has more knockouts, Kelly or Kostov?
Jimmy Kelly has 12 knockout wins and Stiliyan Kostov has 0. Jimmy Kelly has more.
Knockout wins · KO rate

Kelly1240%

Kostov0

The Numbers ↓
Do Kelly and Kostov have any common opponents?
Kill The Body's bout data shows no opponents that both Jimmy Kelly and Stiliyan Kostov have faced.
How much fight data does Kill The Body have on Kelly and Kostov?
This comparison is drawn from 33 bouts tracked for Jimmy Kelly and 4 bouts tracked for Stiliyan Kostov. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Kelly33bouts

Kostov4bouts

How They Win ↓

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