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Kill The Body

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Billy Costello vs Chico Rosa — record, stats and common opponents compared

🇺🇸SUPER LIGHTWEIGHT

Billy Costello

Chico Rosa

Billy Costello (40-2) and Chico Rosa (1-5-1 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 no common opponents in Kill The Body's bout data.

Costello

40

Wins23 KO · 58%

2

Losses

0

Draws42 tracked bouts

Rosa

Tracked record

1–5–1

counted from 7 bouts Kill The Body has ingested

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

Costello leads 1–0

Billy Costello and Chico Rosa have met 1 time; Costello leads 1–0.

Billy Costello and Chico Rosa have met 1 time; Costello leads 1–0.
Met1981Dec 5Series
Billy CostelloFighter AWWon1–0W–L
Chico RosaFighter BLLost0–1W–L
ResultTKOR11Meeting

The Numbers

Costello 6 · Rosa 1 of 7 measurable rows
CostelloRosa
Record†
40-2 (edge)1-5-1
Win %0–100%
95.2% (edge)
21.4%
Wins by knockoutmax 23
23 (edge)
0
KO ratenot comparable
57.5%—
Stoppage rate (tracked wins)‡0–100%
57% (edge)
0%
Times stopped‡max 2
2
1 (edge)
Title reignsmax 1
1 (edge)
0
Bouts per year§max 2.1
2.1 (edge)
0.2
Bouts trackedcoveragemax 42
42
7

† 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
Billy Costello: 5′9″
Chico Rosa: No height on file
Reachnot held
Billy Costello: 71″
Chico Rosa: No reach on file
Agenot held
Billy Costello: Died aged 55
Chico Rosa: No date of birth
Stance
Billy Costello: Orthodox
Chico Rosa: Not recorded

Billy Costello left, Chico Rosa right, as everywhere on this page. Age is stated, not scored — neither age nor stance carries an edge.

How They Win

Tracked bouts only
Billy Costello40 wins · from 42 tracked bouts

Billy Costello: 40 tracked wins — 23 by KO/TKO (57%) and 17 on the cards (43%). Counted from 42 bouts Kill The Body has ingested.

23 by KO/TKO 57%17 on the cards 43%

Chico Rosa1 win · from 7 tracked bouts

Chico Rosa: 1 tracked win — 1 on the cards (100%). Counted from 7 bouts Kill The Body has ingested.

1 on the cards 100%

One square per tracked win. Counted from the bouts Kill The Body has ingested for each fighter — Billy Costello 42, Chico Rosa 7 — 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

Billy Costello has won nine straight, the most recent against Juan Laporte. Costello last boxed on Jun 18, 1999.WWWWW

Elkins Sep 1994Passero Apr 1995Scott May 1995Ladson Jan 1997Laporte Jun 19992.1 tracked bouts per year

Chico Rosa last boxed on Dec 5, 1981 — 16,390 days ago. Rosa had lost three straight.LDLLL

Marino Sep 1948Dade Feb 1950Salas Mar 1950Elorde May 1956Costello Dec 19810.2 tracked bouts per year

Common Questions

With the rows behind them
Have Billy Costello and Chico Rosa ever fought each other?
Yes. Billy Costello and Chico Rosa met once on December 5, 1981, and Billy Costello won by TKO in round 1.
The meeting

WDec 5, 1981 · Costello · TKO R1

Head to Head ↓
Who has the better record, Costello or Rosa?
Billy Costello is 40-2 and Chico Rosa is 1-5-1 across the 7 bouts Kill The Body has tracked. Billy Costello has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
Records · win %

Costello40–295.2%

Rosa1–5–121.4%

The Numbers ↓
Who has more knockouts, Costello or Rosa?
Billy Costello has 23 knockout wins and Chico Rosa has 0. Billy Costello has more.
Knockout wins · KO rate

Costello2357.5%

Rosa0

The Numbers ↓
Do Costello and Rosa have any common opponents?
Kill The Body's bout data shows no opponents that both Billy Costello and Chico Rosa have faced.
How much fight data does Kill The Body have on Costello and Rosa?
This comparison is drawn from 42 bouts tracked for Billy Costello and 7 bouts tracked for Chico Rosa. Method and activity splits reflect those bouts only.
Bouts tracked · no edge

Costello42bouts

Rosa7bouts

How They Win ↓

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