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Kill The Body

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Callum Simpson vs Troy Williamson — record, stats and common opponents compared

Callum Simpson

🇬🇧SUPER MIDDLEWEIGHT

Troy Williamson

Callum Simpson (19-1) and Troy Williamson (22-5-1) 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.

Simpson

19

Wins

1

Loss

0

Draws3 tracked bouts

Williamson

22

Wins16 KO · 73%

5

Losses

1

Draw28 tracked bouts

Head to Head

Series level 1–1

Callum Simpson and Troy Williamson have met 2 times; Series level 1–1.

Callum Simpson and Troy Williamson have met 2 times; Series level 1–1.
Met2025Dec 202026Aug 8Series
Callum SimpsonFighter ALLostWWon1–1W–L
Troy WilliamsonFighter BWWonLLost1–1W–L
ResultTKOR10UD2Meetings

The Numbers

Simpson 2 · Williamson 5 of 7 measurable rows
SimpsonWilliamson
Record
19-1 (edge)22-5-1
Win %0–100%
95% (edge)
80.4%
Wins by knockoutmax 16
0
16 (edge)
KO rate0–100%
0%
72.73% (edge)
Stoppage rate (tracked wins)†0–100%
0%
73% (edge)
Times stopped†max 1
1
0 (edge)
Title reignslevelmax 0
0
0
Bouts per year‡max 2.9
1.5
2.9 (edge)
Bouts trackedcoveragemax 28
3
28

† 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
Callum Simpson: No height on file
Troy Williamson: 5′11″
Agenot held
Callum Simpson: No date of birth
Troy Williamson: 35
Stance
Callum Simpson: Not recorded
Troy Williamson: Orthodox

Callum Simpson left, Troy Williamson right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Callum Simpson2 wins · from 3 tracked bouts

Callum Simpson: 2 tracked wins — 2 on the cards (100%). Counted from 3 bouts Kill The Body has ingested.

2 on the cards 100%

Troy Williamson22 wins · from 28 tracked bouts

Troy Williamson: 22 tracked wins — 16 by KO/TKO (73%) and 6 on the cards (27%). Counted from 28 bouts Kill The Body has ingested.

16 by KO/TKO 73%6 on the cards 27%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Callum Simpson 3, Troy Williamson 28 — 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

Callum Simpson has won once since losing by stoppage to Troy Williamson. Simpson last boxed on Aug 8, 2026 — 73 days ago.WLW

Chelli Aug 2024Williamson Dec 2025Williamson Aug 20261.5 tracked bouts per year

Troy Williamson had won two in a row before losing a decision to Callum Simpson. Williamson last boxed on Aug 8, 2026 — 73 days ago.LLWWL

Davis Mar 2024Tucker Apr 2025Dickinson Sep 2025Simpson Dec 2025Simpson Aug 20262.9 tracked bouts per year

Common Questions

With the rows behind them
Have Callum Simpson and Troy Williamson ever fought each other?
Yes. Callum Simpson and Troy Williamson have met 2 times and the series is level at 1-1.
The 2 meetings

WAug 8, 2026 · Simpson · UD

LDec 20, 2025 · Williamson · TKO R10

Head to Head ↓
Who has the better record, Simpson or Williamson?
Callum Simpson is 19-1 and Troy Williamson is 22-5-1. Callum Simpson has the higher win percentage.
Records · win %

Simpson19–195%

Williamson22–5–180.4%

The Numbers ↓
Who has more knockouts, Simpson or Williamson?
Callum Simpson has 0 knockout wins and Troy Williamson has 16. Troy Williamson has more.
Knockout wins · KO rate

Simpson0

Williamson1672.7%

The Numbers ↓
Do Simpson and Williamson have any common opponents?
Kill The Body's bout data shows no opponents that both Callum Simpson and Troy Williamson have faced.
How much fight data does Kill The Body have on Simpson and Williamson?
This comparison is drawn from 3 bouts tracked for Callum Simpson and 28 bouts tracked for Troy Williamson. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Simpson3bouts

Williamson28bouts

How They Win ↓

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