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.
Joseph Diaz (34-10-1) and Roberto Castaneda (0-6 across 6 tracked bouts) are compared on record, finishing method, activity, and common opponents on Kill The Body. The two have met once. They share 1 common opponent.
Joseph Diaz vs Roberto Castaneda — record, stats and common opponents compared
Head to Head
Joseph Diaz leads 1–0- Joseph Diaz wonDiaz vs CastanedaNov 13, 2014 · RTD · R4
The Numbers
- 34-10-1 (edge)
- Record
- 0-6
- 76.7% (edge)
- Win %
- 0%
- 15 (edge)
- Wins by knockout
- 0
- 44.12%
- KO rate
- —
- 43%
- Stoppage rate (tracked wins)
- —
- 1 (edge)
- Times stopped
- 5
- 1 (edge)
- Title reigns
- 0
- 3.4 (edge)
- Bouts per year
- 0.9
- 46
- Bouts tracked
- 6
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′6″ (168 cm)
- Height
- —
- 64″ (163 cm)
- Reach
- —
- 33
- Age
- —
- Southpaw
- Stance
- —
- United States
- Nationality
- —
How They Win
Tracked bouts onlyJoseph Diaz · 35 wins
KO/TKO
15
Decision
20
Other
0
Roberto Castaneda · 0 wins
No tracked wins yet.
Counted from the bouts Kill The Body has ingested for each fighter (46 and 6 respectively), not from a career-complete method table.
Common Opponents
1 sharedShared opponents are matched on fighter identity, not on name — two different fighters with the same name never merge into one row.
Current Form
Joseph Diaz
LLLWL
L3 streak · last fought Jun 19, 2026
Roberto Castaneda
LLLLL
L6 streak · last fought Jun 1, 2019
Common Questions
- Have Joseph Diaz and Roberto Castaneda ever fought each other?
- Yes. Joseph Diaz and Roberto Castaneda met once on November 13, 2014, and Joseph Diaz won by RTD in round 4.
- Who has the better record, Joseph Diaz or Roberto Castaneda?
- Joseph Diaz is 34-10-1 and Roberto Castaneda is 0-6 across the 6 bouts Kill The Body has tracked. Joseph Diaz has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, Joseph Diaz or Roberto Castaneda?
- Joseph Diaz has 15 knockout wins and Roberto Castaneda has 0. Joseph Diaz has more.
- Do Joseph Diaz and Roberto Castaneda have any common opponents?
- Joseph Diaz and Roberto Castaneda share 1 common opponent: Gary Russell Jr.. Neither fighter fared better across the shared opponents overall.
- How much fight data does Kill The Body have on Joseph Diaz and Roberto Castaneda?
- This comparison is drawn from 46 bouts tracked for Joseph Diaz and 6 bouts tracked for Roberto Castaneda. Method and activity splits reflect those bouts only.