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Kill The Body

and the head will die

David Schwierz vs Karol Welter — record, stats and common opponents compared

David Schwierz

Karol Welter

David Schwierz (0-1 across 1 tracked bout) and Karol Welter (21-1) 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.

Schwierz

Tracked record

0–1

counted from 1 bout Kill The Body has ingested

Welter

21

Wins9 KO · 43%

1

Loss

0

Draws22 tracked bouts

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

Welter leads 1–0

David Schwierz and Karol Welter have met 1 time; Welter leads 1–0.

David Schwierz and Karol Welter have met 1 time; Welter leads 1–0.
Met2018Jan 20Series
David SchwierzFighter ALLost0–1W–L
Karol WelterFighter BWWon1–0W–L
ResultUD1Meeting

The Numbers

Schwierz 0 · Welter 3 of 3 measurable rows
SchwierzWelter
Record†
0-121-1 (edge)
Win %0–100%
0%
95.5% (edge)
Wins by knockoutmax 9
0
9 (edge)
KO ratenot comparable
—42.86%
Stoppage rate (tracked wins)‡not comparable
—43%
Times stopped‡levelmax 0
0
0
Title reignslevelmax 0
0
0
Bouts per year§not comparable
—2.7
Bouts trackedcoveragemax 22
1
22

† 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
David Schwierz: No height on file
Karol Welter: 5′11″
Reachnot held
David Schwierz: No reach on file
Karol Welter: 74″
Agenot held
David Schwierz: No date of birth
Karol Welter: 31
Stance
David Schwierz: Not recorded
Karol Welter: Orthodox

David Schwierz left, Karol Welter right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
David Schwierz0 wins · from 1 tracked bout

David Schwierz: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Schwierz yet.

Karol Welter21 wins · from 22 tracked bouts

Karol Welter: 21 tracked wins — 9 by KO/TKO (43%) and 12 on the cards (57%). Counted from 22 bouts Kill The Body has ingested.

9 by KO/TKO 43%12 on the cards 57%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — David Schwierz 1, Karol Welter 22 — 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

David Schwierz last boxed on Jan 20, 2018 — 3,197 days ago. Schwierz had lost the most recent, to Karol Welter.L

Welter Jan 2018

Karol Welter has won 13 straight, the most recent against Evander Castillo. Welter last boxed on Mar 6, 2026 — 230 days ago.WWWWW

España Dec 2024Caballero Mar 2025Hardzeika Sep 2025Abdulaev Nov 2025Castillo Mar 20262.7 tracked bouts per year

Common Questions

With the rows behind them
Have David Schwierz and Karol Welter ever fought each other?
Yes. David Schwierz and Karol Welter met once on January 20, 2018, and Karol Welter won by UD.
The meeting

LJan 20, 2018 · Welter · UD

Head to Head ↓
Who has the better record, Schwierz or Welter?
David Schwierz is 0-1 across the 1 bout Kill The Body has tracked and Karol Welter is 21-1. Karol Welter has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Schwierz0–10%

Welter21–195.5%

The Numbers ↓
Who has more knockouts, Schwierz or Welter?
David Schwierz has 0 knockout wins and Karol Welter has 9. Karol Welter has more.
Knockout wins · KO rate

Schwierz0

Welter942.9%

The Numbers ↓
Do Schwierz and Welter have any common opponents?
Kill The Body's bout data shows no opponents that both David Schwierz and Karol Welter have faced.
How much fight data does Kill The Body have on Schwierz and Welter?
This comparison is drawn from 1 bout tracked for David Schwierz and 22 bouts tracked for Karol Welter. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Schwierz1bout

Welter22bouts

How They Win ↓

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