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.
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.
Jack Massey vs Robert Rosenberg — record, stats and common opponents compared
Head to Head
Jack Massey leads 1–0- Jack Massey wonMassey vs RosenbergApr 23, 2016 · KO · R1
The Numbers
- 23-4 (edge)
- Record
- 0-2
- 85.2% (edge)
- Win %
- 0%
- 13 (edge)
- Wins by knockout
- 0
- 56.52%
- KO rate
- —
- 54%
- Stoppage rate (tracked wins)
- —
- 2
- Times stopped
- 2
- 0
- Title reigns
- 0
- 2.2
- Bouts per year
- —
- 28
- Bouts tracked
- 2
One or both records are tracked, not career-verified.
Counted from bouts Kill The Body has ingested, not a career total.
Counted from bouts Kill The Body has ingested, not a career total.
Across each fighter's tracked career span.
Tale of the Tape
- 6′4″ (193 cm)
- Height
- —
- 33
- Age
- —
- Orthodox
- Stance
- —
- British
- Nationality
- —
How They Win
Tracked bouts onlyJack Massey · 24 wins
KO/TKO
13
Decision
11
Other
0
Robert Rosenberg · 0 wins
No tracked wins yet.
Counted from the bouts Kill The Body has ingested for each fighter (28 and 2 respectively), 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
Jack Massey
LWLWW
L1 streak · last fought Jun 6, 2026
Robert Rosenberg
LL
L2 streak · last fought Apr 23, 2016
Common Questions
- 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.
- Who has the better record, Jack Massey or Robert 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.
- Who has more knockouts, Jack Massey or Robert Rosenberg?
- Jack Massey has 13 knockout wins and Robert Rosenberg has 0. Jack Massey has more.
- Do Jack Massey and Robert 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 Jack Massey and Robert Rosenberg?
- This comparison is drawn from 28 bouts tracked for Jack Massey and 2 bouts tracked for Robert Rosenberg. Method and activity splits reflect those bouts only.