Skip to main content
Kill The Body

and the head will die

Jonathan Hernandez vs Julio César Chávez Jr. — record, stats and common opponents compared

Jonathan Hernandez

🇲🇽MEXICO

Julio César Chávez Jr.

Jonathan Hernandez (0-1 across 1 tracked bout) and Julio César Chávez Jr. (57-7-1) 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.

Hernandez

Tracked record

0–1

counted from 1 bout Kill The Body has ingested

Jr.

57

Wins37 KO · 65%

7

Losses

1

Draw66 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

Jr. leads 1–0

Jonathan Hernandez and Julio César Chávez Jr. have met 1 time; Jr. leads 1–0.

Jonathan Hernandez and Julio César Chávez Jr. have met 1 time; Jr. leads 1–0.
Met2003Sep 26Series
Jonathan HernandezFighter ALLost0–1W–L
Julio César Chávez Jr.Fighter BWWon1–0W–L
ResultUD1Meeting

The Numbers

Hernandez 1 · Jr. 4 of 5 measurable rows
HernandezJr.
Record†
0-157-7-1 (edge)
Win %0–100%
0%
88.5% (edge)
Wins by knockoutmax 37
0
37 (edge)
KO ratenot comparable
—64.91%
Stoppage rate (tracked wins)‡not comparable
—65%
Times stopped‡max 2
0 (edge)
2
Title reignsmax 1
0
1 (edge)
Bouts per year§not comparable
—2.9
Bouts trackedcoveragemax 66
1
66

† 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
Jonathan Hernandez: No height on file
Julio César Chávez Jr.: 6′0″
Reachnot held
Jonathan Hernandez: No reach on file
Julio César Chávez Jr.: 73″
Agenot held
Jonathan Hernandez: No date of birth
Julio César Chávez Jr.: 41
Stance
Jonathan Hernandez: Not recorded
Julio César Chávez Jr.: Orthodox

Jonathan Hernandez left, Julio César Chávez Jr. right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Jonathan Hernandez0 wins · from 1 tracked bout

Jonathan Hernandez: no tracked wins in the 1 bout Kill The Body has ingested.

No tracked wins for Hernandez yet.

Julio César Chávez Jr.57 wins · from 66 tracked bouts

Julio César Chávez Jr.: 57 tracked wins — 37 by KO/TKO (65%) and 20 on the cards (35%). Counted from 66 bouts Kill The Body has ingested.

37 by KO/TKO 65%20 on the cards 35%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Jonathan Hernandez 1, Julio César Chávez Jr. 66 — 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

Jonathan Hernandez last boxed on Sep 26, 2003 — 8,437 days ago. Hernandez had lost the most recent, to Julio César Chávez Jr..L

Jr. Sep 2003

Julio César Chávez Jr. has won three straight since losing a decision to Jake Paul. Jr. last boxed on Sep 12, 2026 — 50 days ago.WLWWW

Hall Jul 2024Paul Jun 2025Julian Jan 2026Caicedo Apr 2026Troncoso Sep 20262.9 tracked bouts per year

Common Questions

With the rows behind them
Have Jonathan Hernandez and Julio César Chávez Jr. ever fought each other?
Yes. Jonathan Hernandez and Julio César Chávez Jr. met once on September 26, 2003, and Julio César Chávez Jr. won by UD.
The meeting

LSep 26, 2003 · Jr. · UD

Head to Head ↓
Who has the better record, Hernandez or Jr.?
Jonathan Hernandez is 0-1 across the 1 bout Kill The Body has tracked and Julio César Chávez Jr. is 57-7-1. Julio César Chávez Jr. has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Hernandez0–10%

Jr.57–7–188.5%

The Numbers ↓
Who has more knockouts, Hernandez or Jr.?
Jonathan Hernandez has 0 knockout wins and Julio César Chávez Jr. has 37. Julio César Chávez Jr. has more.
Knockout wins · KO rate

Hernandez0

Jr.3764.9%

The Numbers ↓
Do Hernandez and Jr. have any common opponents?
Kill The Body's bout data shows no opponents that both Jonathan Hernandez and Julio César Chávez Jr. have faced.
How much fight data does Kill The Body have on Hernandez and Jr.?
This comparison is drawn from 1 bout tracked for Jonathan Hernandez and 66 bouts tracked for Julio César Chávez Jr.. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Hernandez1bout

Jr.66bouts

How They Win ↓

Compare someone else

3 suggested matchups

Compare Jr. with…

Someone else?

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