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.
Joel Casamayor (38-6-1) and Roberto Sierra (0-1 across 1 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.
Joel Casamayor vs Roberto Sierra — record, stats and common opponents compared
Head to Head
Joel Casamayor leads 1–0- Joel Casamayor wonCasamayor vs SierraDec 14, 1996 · KO · R1
The Numbers
- 38-6-1 (edge)
- Record
- 0-1
- 85.6% (edge)
- Win %
- 0%
- 22 (edge)
- Wins by knockout
- 0
- 57.89%
- KO rate
- —
- 56%
- Stoppage rate (tracked wins)
- —
- 2
- Times stopped
- 1 (edge)
- 3 (edge)
- Title reigns
- 0
- 3.1
- Bouts per year
- —
- 47
- Bouts tracked
- 1
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
- 5′7″ (170 cm)
- Height
- —
- 69″ (175 cm)
- Reach
- —
- 55
- Age
- —
- Southpaw
- Stance
- —
- Cuba
- Nationality
- —
How They Win
Tracked bouts onlyJoel Casamayor · 39 wins
KO/TKO
22
Decision
17
Other
0
Roberto Sierra · 0 wins
No tracked wins yet.
Counted from the bouts Kill The Body has ingested for each fighter (47 and 1 respectively), 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
Joel Casamayor
LWLWL
L1 streak · last fought Nov 12, 2011
Roberto Sierra
L
L1 streak · last fought Dec 14, 1996
Common Questions
- Have Joel Casamayor and Roberto Sierra ever fought each other?
- Yes. Joel Casamayor and Roberto Sierra met once on December 14, 1996, and Joel Casamayor won by KO in round 1.
- Who has the better record, Joel Casamayor or Roberto Sierra?
- Joel Casamayor is 38-6-1 and Roberto Sierra is 0-1 across the 1 bouts Kill The Body has tracked. Joel Casamayor has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, Joel Casamayor or Roberto Sierra?
- Joel Casamayor has 22 knockout wins and Roberto Sierra has 0. Joel Casamayor has more.
- Do Joel Casamayor and Roberto Sierra have any common opponents?
- Kill The Body's bout data shows no opponents that both Joel Casamayor and Roberto Sierra have faced.
- How much fight data does Kill The Body have on Joel Casamayor and Roberto Sierra?
- This comparison is drawn from 47 bouts tracked for Joel Casamayor and 1 bout tracked for Roberto Sierra. Method and activity splits reflect those bouts only.