Kamarudeen Usman vs Osman Diaz
Head-to-head comparison — tale of the tape, career analysis, stylistic breakdown, and prediction factors

Kamarudeen Usman
"The Nigerian Nightmare"
40-17-1Osman Diaz
11-1-0Physical Comparison
Osman Diaz has the height edge at 193cm vs 183cm for Kamarudeen Usman — a 10cm difference that gives Diaz the ability to fight behind range.
The reach belongs to Osman Diaz — 206cm vs 193cm for Kamarudeen Usman, a 13cm advantage. Diaz can use this to maintain distance and work behind the jab.
This is a orthodox vs switch matchup — creating interesting angles and footwork dynamics. Osman Diaz fighting from the southpaw stance often poses problems for orthodox fighters, particularly with the straight left hand and lead-foot positioning.
Record & Experience
Kamarudeen Usman brings a record of 40-17-1 across 58 professional bouts (69% win rate).Osman Diaz enters with 11-1-0 from 12 fights (92% win rate).
Kamarudeen Usman has the experience edge with 58 bouts compared to 12 — that's 46 more fights under the bright lights, which can matter in championship rounds when fatigue sets in and composure is tested.
In terms of finishing power, Osman Diaz carries the heavier hands with a 82% stoppage rate vs 60% for Kamarudeen Usman. Diaz is the more dangerous finisher of the two.
Key Factors
Usman's Path to Victory
- • Target early stoppage with heavy hands (60% KO rate)
- • Lean on greater experience (58 bouts)
- • Establish rhythm early and dictate the pace
Diaz's Path to Victory
- • Use height and reach to fight at range
- • Look for the stoppage (82% KO rate)
- • Higher win percentage (92% vs 69%)
- • Apply pressure and force the fight on their terms
Kamarudeen Usman vs Osman Diaz — FAQ
- What are Kamarudeen Usman's and Osman Diaz's records?
- Kamarudeen Usman is 40-17-1 (24 KOs). Osman Diaz is 11-1-0 (9 KOs).
- Who is taller — Kamarudeen Usman or Osman Diaz?
- Osman Diaz is taller at 193cm vs 183cm — a 10cm advantage.
- Who has the longer reach — Kamarudeen Usman or Osman Diaz?
- Osman Diaz has a longer reach at 206cm vs 193cm — a 13cm advantage.
- Who has the higher knockout rate?
- Osman Diaz has the higher KO rate at 82% compared to Kamarudeen Usman's 60%.