Brett Bye vs Ketlen Viera
Head-to-head comparison — tale of the tape, career analysis, stylistic breakdown, and prediction factors

Brett Bye
19-1-0Ketlen Viera
16-6-0Physical Comparison
Ketlen Viera has the height edge at 175cm vs 173cm for Brett Bye — a 2cm difference that gives Viera the ability to fight behind range.
The reach belongs to Ketlen Viera — 173cm vs 168cm for Brett Bye, a 5cm advantage. Viera can use this to maintain distance and work behind the jab.
This is a judo vs orthodox matchup — creating interesting angles and footwork dynamics. Ketlen Viera fighting from the southpaw stance often poses problems for orthodox fighters, particularly with the straight left hand and lead-foot positioning.
Record & Experience
Brett Bye brings a record of 19-1-0 across 20 professional bouts (95% win rate).Ketlen Viera enters with 16-6-0 from 22 fights (73% win rate).
Ketlen Viera has the experience edge with 22 bouts compared to 20 — that's 2 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, Brett Bye is the more prolific finisher with a 32% stoppage rate compared to 13% for Ketlen Viera. Bye has shown the ability to end fights decisively.
Age & Career Stage
Ketlen Viera is the younger fighter at 34 compared to Brett Bye's 36 — a 2-year age gap. The younger fighter may have the edge in physical attributes, while Bye relies on veteran savvy and accumulated skill.
Key Factors
Bye's Path to Victory
- • Trust the higher win rate (95% vs 73%)
- • Establish rhythm early and dictate the pace
Viera's Path to Victory
- • Use height and reach to fight at range
- • Greater professional experience (22 bouts)
- • Apply pressure and force the fight on their terms
Brett Bye vs Ketlen Viera — FAQ
- What are Brett Bye's and Ketlen Viera's records?
- Brett Bye is 19-1-0 (6 KOs). Ketlen Viera is 16-6-0 (2 KOs).
- Who is taller — Brett Bye or Ketlen Viera?
- Ketlen Viera is taller at 175cm vs 173cm — a 2cm advantage.
- Who has the longer reach — Brett Bye or Ketlen Viera?
- Ketlen Viera has a longer reach at 173cm vs 168cm — a 5cm advantage.
- Who has the higher knockout rate?
- Brett Bye has the higher KO rate at 32% compared to Ketlen Viera's 13%.