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Kill The Body

and the head will die

Henry Mercer vs Kalvin Henderson — record, stats and common opponents compared

Henry Mercer

CRUISERWEIGHT

Kalvin Henderson

Henry Mercer (0-1 across 1 tracked bout) and Kalvin Henderson (19-3-1) 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.

Mercer

Tracked record

0–1

counted from 1 bout Kill The Body has ingested

Henderson

19

Wins13 KO · 68%

3

Losses

1

Draw23 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

Henderson leads 1–0

Henry Mercer and Kalvin Henderson have met 1 time; Henderson leads 1–0.

Henry Mercer and Kalvin Henderson have met 1 time; Henderson leads 1–0.
Met2016Dec 10Series
Henry MercerFighter ALLost0–1W–L
Kalvin HendersonFighter BWWon1–0W–L
ResultTKOR11Meeting

The Numbers

Mercer 1 · Henderson 3 of 4 measurable rows
MercerHenderson
Record†
0-119-3-1 (edge)
Win %0–100%
0%
84.8% (edge)
Wins by knockoutmax 13
0
13 (edge)
KO ratenot comparable
—68.42%
Stoppage rate (tracked wins)‡not comparable
—68%
Times stopped‡max 2
1 (edge)
2
Title reignslevelmax 0
0
0
Bouts per year§not comparable
—2.4
Bouts trackedcoveragemax 23
1
23

† 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

Reachnot held
Henry Mercer: No reach on file
Kalvin Henderson: 70″
Agenot held
Henry Mercer: No date of birth
Kalvin Henderson: 36
Stance
Henry Mercer: Not recorded
Kalvin Henderson: Orthodox

Henry Mercer left, Kalvin Henderson right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Henry Mercer0 wins · from 1 tracked bout

Henry Mercer: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Mercer yet.

Kalvin Henderson19 wins · from 23 tracked bouts

Kalvin Henderson: 19 tracked wins — 13 by KO/TKO (68%) and 6 on the cards (32%). Counted from 23 bouts Kill The Body has ingested.

13 by KO/TKO 68%6 on the cards 32%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Henry Mercer 1, Kalvin Henderson 23 — 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

Henry Mercer last boxed on Dec 10, 2016 — 3,616 days ago. Mercer had lost the most recent, to Kalvin Henderson.L

Henderson Dec 2016

Kalvin Henderson had won four in a row before losing by stoppage to Najee Lopez. Henderson last boxed on Sep 27, 2025 — 403 days ago.WWWWL

Smith Jan 2023Hernandez Dec 2023Garner Mar 2024Pendarvis Oct 2024Lopez Sep 20252.4 tracked bouts per year

Common Questions

With the rows behind them
Have Henry Mercer and Kalvin Henderson ever fought each other?
Yes. Henry Mercer and Kalvin Henderson met once on December 10, 2016, and Kalvin Henderson won by TKO in round 1.
The meeting

LDec 10, 2016 · Henderson · TKO R1

Head to Head ↓
Who has the better record, Mercer or Henderson?
Henry Mercer is 0-1 across the 1 bout Kill The Body has tracked and Kalvin Henderson is 19-3-1. Kalvin Henderson has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Mercer0–10%

Henderson19–3–184.8%

The Numbers ↓
Who has more knockouts, Mercer or Henderson?
Henry Mercer has 0 knockout wins and Kalvin Henderson has 13. Kalvin Henderson has more.
Knockout wins · KO rate

Mercer0

Henderson1368.4%

The Numbers ↓
Do Mercer and Henderson have any common opponents?
Kill The Body's bout data shows no opponents that both Henry Mercer and Kalvin Henderson have faced.
How much fight data does Kill The Body have on Mercer and Henderson?
This comparison is drawn from 1 bout tracked for Henry Mercer and 23 bouts tracked for Kalvin Henderson. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Mercer1bout

Henderson23bouts

How They Win ↓

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