Skip to main content
Kill The Body

and the head will die

Alessio Mastronunzio vs Xander Zayas — record, stats and common opponents compared

Alessio Mastronunzio

🇺🇸SUPER WELTERWEIGHT

Xander Zayas

Alessio Mastronunzio (0-2 across 2 tracked bouts) and Xander Zayas (23-1) 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.

Mastronunzio

Tracked record

0–2

counted from 2 bouts Kill The Body has ingested

Zayas

23

Wins13 KO · 57%

1

Loss

0

Draws24 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

Zayas leads 1–0

Alessio Mastronunzio and Xander Zayas have met 1 time; Zayas leads 1–0.

Alessio Mastronunzio and Xander Zayas have met 1 time; Zayas leads 1–0.
Met2021Dec 11Series
Alessio MastronunzioFighter ALLost0–1W–L
Xander ZayasFighter BWWon1–0W–L
ResultTKOR11Meeting

The Numbers

Mastronunzio 0 · Zayas 6 of 6 measurable rows
MastronunzioZayas
Record†
0-223-1 (edge)
Win %0–100%
0%
95.8% (edge)
Wins by knockoutmax 13
0
13 (edge)
KO ratenot comparable
—56.52%
Stoppage rate (tracked wins)‡not comparable
—57%
Times stopped‡max 2
2
1 (edge)
Title reignsmax 2
0
2 (edge)
Bouts per year§max 3.6
0.6
3.6 (edge)
Bouts trackedcoveragemax 24
2
24

† 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
Alessio Mastronunzio: No height on file
Xander Zayas: 5′10″
Reachnot held
Alessio Mastronunzio: No reach on file
Xander Zayas: 74″
Agenot held
Alessio Mastronunzio: No date of birth
Xander Zayas: 24
Stance
Alessio Mastronunzio: Not recorded
Xander Zayas: Orthodox

Alessio Mastronunzio left, Xander Zayas right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Alessio Mastronunzio0 wins · from 2 tracked bouts

Alessio Mastronunzio: no tracked wins in the 2 bouts Kill The Body has ingested.

No tracked wins for Mastronunzio yet.

Xander Zayas23 wins · from 24 tracked bouts

Xander Zayas: 23 tracked wins — 13 by KO/TKO (57%) and 10 on the cards (43%). Counted from 24 bouts Kill The Body has ingested.

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

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Alessio Mastronunzio 2, Xander Zayas 24 — 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

Alessio Mastronunzio has lost two straight. Mastronunzio last boxed on Mar 15, 2025 — 592 days ago.LL

Zayas Dec 2021Jones Mar 20250.6 tracked bouts per year

Xander Zayas had won four in a row before losing by stoppage to Jaron Ennis. Zayas last boxed on Jun 27, 2026 — 123 days ago.WWWWL

Sosa Sep 2024Spomer Feb 2025Perez Jul 2025Baraou Jan 2026Ennis Jun 20263.6 tracked bouts per year

Common Questions

With the rows behind them
Have Alessio Mastronunzio and Xander Zayas ever fought each other?
Yes. Alessio Mastronunzio and Xander Zayas met once on December 11, 2021, and Xander Zayas won by TKO in round 1.
The meeting

LDec 11, 2021 · Zayas · TKO R1

Head to Head ↓
Who has the better record, Mastronunzio or Zayas?
Alessio Mastronunzio is 0-2 across the 2 bouts Kill The Body has tracked and Xander Zayas is 23-1. Xander Zayas has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Mastronunzio0–20%

Zayas23–195.8%

The Numbers ↓
Who has more knockouts, Mastronunzio or Zayas?
Alessio Mastronunzio has 0 knockout wins and Xander Zayas has 13. Xander Zayas has more.
Knockout wins · KO rate

Mastronunzio0

Zayas1356.5%

The Numbers ↓
Do Mastronunzio and Zayas have any common opponents?
Kill The Body's bout data shows no opponents that both Alessio Mastronunzio and Xander Zayas have faced.
How much fight data does Kill The Body have on Mastronunzio and Zayas?
This comparison is drawn from 2 bouts tracked for Alessio Mastronunzio and 24 bouts tracked for Xander Zayas. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Mastronunzio2bouts

Zayas24bouts

How They Win ↓

Compare someone else

4 suggested matchups

Compare Mastronunzio with…

Compare Zayas with…

Someone else?

Release either fighter to put someone new in that slot — the other one stays put.