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.
Yusmel Alejandro Ruiz (8-2 across 10 tracked bouts) and Zaire Jefferson (6-4 across 10 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.
Yusmel Alejandro Ruiz vs Zaire Jefferson — record, stats and common opponents compared
Head to Head
Yusmel Alejandro Ruiz leads 1–0- Yusmel Alejandro Ruiz wonPSAC - May 17, 2026 - PhiladelphiaMay 17, 2026 · UD
The Numbers
- 8-2 (edge)
- Record
- 6-4
- 80% (edge)
- Win %
- 60%
- 1
- Wins by knockout
- 1
- 13%
- Stoppage rate (tracked wins)
- 17% (edge)
- 0
- Times stopped
- 0
- 0
- Title reigns
- 0
- 9.7 (edge)
- Bouts per year
- 5.7
- 10
- Bouts tracked
- 10
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
- 171.4
- Division
- 167.60
How They Win
Tracked bouts onlyYusmel Alejandro Ruiz · 8 wins
KO/TKO
1
Decision
7
Other
0
Zaire Jefferson · 6 wins
KO/TKO
1
Decision
5
Other
0
Counted from the bouts Kill The Body has ingested for each fighter (10 and 10 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
Yusmel Alejandro Ruiz
WWWWW
W7 streak · last fought Jun 26, 2026
Zaire Jefferson
LLLWW
L3 streak · last fought Jul 26, 2026
Common Questions
- Have Yusmel Alejandro Ruiz and Zaire Jefferson ever fought each other?
- Yes. Yusmel Alejandro Ruiz and Zaire Jefferson met once on May 17, 2026, and Yusmel Alejandro Ruiz won by UD.
- Who has the better record, Yusmel Alejandro Ruiz or Zaire Jefferson?
- Yusmel Alejandro Ruiz is 8-2 across the 10 bouts Kill The Body has tracked and Zaire Jefferson is 6-4 across the 10 bouts Kill The Body has tracked. Yusmel Alejandro Ruiz has the higher win percentage. Records shown as tracked have not yet been independently verified as complete career totals.
- Who has more knockouts, Yusmel Alejandro Ruiz or Zaire Jefferson?
- Yusmel Alejandro Ruiz has 1 knockout win and Zaire Jefferson has 1. Both have 1.
- Do Yusmel Alejandro Ruiz and Zaire Jefferson have any common opponents?
- Kill The Body's bout data shows no opponents that both Yusmel Alejandro Ruiz and Zaire Jefferson have faced.
- How much fight data does Kill The Body have on Yusmel Alejandro Ruiz and Zaire Jefferson?
- This comparison is drawn from 10 bouts tracked for Yusmel Alejandro Ruiz and 10 bouts tracked for Zaire Jefferson. Method and activity splits reflect those bouts only.