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Kill The Body

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Jack Massey vs Robert Rosenberg — record, stats and common opponents compared

🇬🇧UNITED KINGDOM

Jack Massey

Robert Rosenberg

Jack Massey (23-4) and Robert Rosenberg (0-2 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.

Massey

23

Wins13 KO · 57%

4

Losses

0

Draws27 tracked bouts

Rosenberg

Tracked record

0–2

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

Massey leads 1–0

Jack Massey and Robert Rosenberg have met 1 time; Massey leads 1–0.

Jack Massey and Robert Rosenberg have met 1 time; Massey leads 1–0.
Met2016Apr 23Series
Jack MasseyFighter AWWon1–0W–L
Robert RosenbergFighter BLLost0–1W–L
ResultKOR11Meeting

The Numbers

Massey 3 · Rosenberg 0 of 3 measurable rows
MasseyRosenberg
Record†
23-4 (edge)0-2
Win %0–100%
85.2% (edge)
0%
Wins by knockoutmax 13
13 (edge)
0
KO ratenot comparable
56.52%—
Stoppage rate (tracked wins)‡not comparable
57%—
Times stopped‡levelmax 2
2
2
Title reignslevelmax 0
0
0
Bouts per year§not comparable
2.1—
Bouts trackedcoveragemax 27
27
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

Heightnot held
Jack Massey: 6′4″
Robert Rosenberg: No height on file
Agenot held
Jack Massey: 33
Robert Rosenberg: No date of birth
Stance
Jack Massey: Orthodox
Robert Rosenberg: Not recorded

Jack Massey left, Robert Rosenberg right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Jack Massey23 wins · from 27 tracked bouts

Jack Massey: 23 tracked wins — 13 by KO/TKO (57%) and 10 on the cards (43%). Counted from 27 bouts Kill The Body has ingested.

13 by KO/TKO 57%10 on the cards 43%

Robert Rosenberg0 wins · from 2 tracked bouts

Robert Rosenberg: no tracked wins in the 2 bouts Kill The Body has ingested.

No tracked wins for Rosenberg yet.

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Jack Massey 27, Robert Rosenberg 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

Jack Massey had won one in a row before losing by stoppage to Cheavon Clarke. Massey last boxed on Jun 6, 2026 — 137 days ago.WWLWL

Ntere Jan 2024Chamberlain Jun 2024Opetaia Oct 2024Garcia Nov 2025Clarke Jun 20262.1 tracked bouts per year

Robert Rosenberg last boxed on Apr 23, 2016 — 3,833 days ago. Rosenberg had lost two straight.LL

Stieglitz Oct 2015Massey Apr 2016

Common Questions

With the rows behind them
Have Jack Massey and Robert Rosenberg ever fought each other?
Yes. Jack Massey and Robert Rosenberg met once on April 23, 2016, and Jack Massey won by KO in round 1.
The meeting

WApr 23, 2016 · Massey · KO R1

Head to Head ↓
Who has the better record, Massey or Rosenberg?
Jack Massey is 23-4 and Robert Rosenberg is 0-2 across the 2 bouts Kill The Body has tracked. Jack Massey has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Massey23–485.2%

Rosenberg0–20%

The Numbers ↓
Who has more knockouts, Massey or Rosenberg?
Jack Massey has 13 knockout wins and Robert Rosenberg has 0. Jack Massey has more.
Knockout wins · KO rate

Massey1356.5%

Rosenberg0

The Numbers ↓
Do Massey and Rosenberg have any common opponents?
Kill The Body's bout data shows no opponents that both Jack Massey and Robert Rosenberg have faced.
How much fight data does Kill The Body have on Massey and Rosenberg?
This comparison is drawn from 27 bouts tracked for Jack Massey and 2 bouts tracked for Robert Rosenberg. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Massey27bouts

Rosenberg2bouts

How They Win ↓

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