Dan Severn vs Sonny Bill Williams
Head-to-head comparison — tale of the tape, career analysis, stylistic breakdown, and prediction factors

Dan Severn
101-19-7
Sonny Bill Williams
"SBW"
11-2-0Physical Comparison
Record & Experience
Dan Severn brings a record of 101-19-7 across 127 professional bouts (80% win rate).Sonny Bill Williams enters with 11-2-0 from 13 fights (85% win rate).
Dan Severn has the experience edge with 127 bouts compared to 13 — that's 114 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, Dan Severn is the more prolific finisher with a 23% stoppage rate compared to 0% for Sonny Bill Williams. Severn has shown the ability to end fights decisively.
Age & Career Stage
Sonny Bill Williams is the younger fighter at 40 compared to Dan Severn's 67 — a 27-year age gap. The younger fighter may have the edge in physical attributes, while Severn relies on veteran savvy and accumulated skill.
Key Factors
Severn's Path to Victory
- • Lean on greater experience (127 bouts)
- • Establish rhythm early and dictate the pace
Williams's Path to Victory
- • Higher win percentage (85% vs 80%)
- • Apply pressure and force the fight on their terms
Dan Severn vs Sonny Bill Williams — FAQ
- What are Dan Severn's and Sonny Bill Williams's records?
- Dan Severn is 101-19-7 (23 KOs). Sonny Bill Williams is 11-2-0 (0 KOs).
- Who has the higher knockout rate?
- Dan Severn has the higher KO rate at 23% compared to Sonny Bill Williams's 0%.