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.
Mateusz Masternak (50-7) and Michael Simms (0-7 across 7 tracked bouts) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share 1 common opponent.
Mateusz Masternak vs Michael Simms — record, stats and common opponents compared
Head to Head
Mateusz Masternak leads 1–0- Mateusz Masternak wonMasternak vs SimmsFeb 4, 2012 · TKO · R4
The Numbers
- 50-7 (edge)
- Record
- 0-7
- 87.7% (edge)
- Win %
- 0%
- 33 (edge)
- Wins by knockout
- 0
- 66%
- KO rate
- —
- 66%
- Stoppage rate (tracked wins)
- —
- 2
- Times stopped
- 2
- 0
- Title reigns
- 0
- 2.9 (edge)
- Bouts per year
- 1.1
- 57
- Bouts tracked
- 7
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
- 39
- Age
- 52
- Orthodox
- Stance
- —
- Cruiserweight
- Division
- —
- Polish
- Nationality
- United States
How They Win
Tracked bouts onlyMateusz Masternak · 50 wins
KO/TKO
33
Decision
17
Other
0
Michael Simms · 0 wins
No tracked wins yet.
Counted from the bouts Kill The Body has ingested for each fighter (57 and 7 respectively), not from a career-complete method table.
Common Opponents
1 sharedShared opponents are matched on fighter identity, not on name — two different fighters with the same name never merge into one row.
Current Form
Mateusz Masternak
LWWWL
L1 streak · last fought Apr 4, 2026
Michael Simms
LLLLL
L7 streak · last fought Feb 4, 2012
Common Questions
- Have Mateusz Masternak and Michael Simms ever fought each other?
- Yes. Mateusz Masternak and Michael Simms met once on February 4, 2012, and Mateusz Masternak won by TKO in round 4.
- Who has the better record, Mateusz Masternak or Michael Simms?
- Mateusz Masternak is 50-7 and Michael Simms is 0-7 across the 7 bouts Kill The Body has tracked. Mateusz Masternak has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, Mateusz Masternak or Michael Simms?
- Mateusz Masternak has 33 knockout wins and Michael Simms has 0. Mateusz Masternak has more.
- Do Mateusz Masternak and Michael Simms have any common opponents?
- Mateusz Masternak and Michael Simms share 1 common opponent: Grigory Drozd. Neither fighter fared better across the shared opponents overall.
- How much fight data does Kill The Body have on Mateusz Masternak and Michael Simms?
- This comparison is drawn from 57 bouts tracked for Mateusz Masternak and 7 bouts tracked for Michael Simms. Method and activity splits reflect those bouts only.