JOHN BRZENK
Winner
3VS0
LEONIDAS ARKONA
CountryUS
Weight104 kg · 229 lb
Height181 cm · 5′11″
Biceps43 cm · 16.9″
Forearm41 cm · 16.1″
Wrist20 cm · 7.9″
Age62
Comparison
Fight arm: right
M.I.R.A. AIConcept · Beta
FIGHT PREDICTION
62%
Confidence
Medium confidence
54%
Upset risk
Elevated — factor it into bets
M.I.R.A. AIConcept · Beta
FIGHT PREDICTION
Rounds and winners
#WinnerTechnique
1John BrzenkFlop press
2John BrzenkFlop press
3John BrzenkFlop press
JohnLeonidas
JohnLeonidas
JohnLeonidas
Grip win rate — right arm
Free
44%9 rds.
—
—Free+Strap
44%27 rds.
50%4 rds.
-6%Ref+Strap
21%14 rds.
50%16 rds.
-29%Grip win rate — left arm
No grip data for this arm
Current streak
L2
L1
—Career win rate
38.5%
60.0%
-21.5%Win rate (last 5 / 5)
20.0%
60.0%
-40.0%Form trend
▼ -18.5%
— 0.0%
—Longest win streak
2
2
0Longest loss streak
2
1
—Avg. win margin
2.6
2.0
+0.6Sweep wins
3
1
+2Sweep losses
6
2
+4Close wins
1
2
-1Close losses
1
0
+1Comeback wins
Opposition strength and quality wins — available after sign-inSign in →1
1
0Finished fights
13
5
+8Career span (yrs)
4.8
2.8
+2.0Fights per year
2.7
1.8
+0.9Days since last fight
50
50
—Debut – last fight
2021–2026
2023–2026
—Longest layoff (days)
Win rate confidence interval and main-event statistics — available after sign-inSign in →532
616
—Percentile among athletes of the same gender: 100 = larger than all, 50 = average. Compared against 196 / 196 male athletes.
Height
41
44
-3Weight
55
80
-25Biceps
34
95
-61Forearm
48
89
-41Wrist
43
0
+43Flash pins (total)
0
1
-1Right flash pins
0
1
-1Left flash pins
0
0
0Wins by opponent fouls
1
1
0Own fouls
5
5
0Efficiency index (right)
19.8
22.5
-2.7Efficiency index (left)
0.0
0.0
0.0JohnLeonidas
John (right)
John (left)
Leonidas (right)
Leonidas (left)
CountryDE
Weight128 kg · 282 lb
Height182 cm · 6′0″
Biceps55 cm · 21.7″
Forearm47 cm · 18.5″
Wrist—
Age27
Head-to-head history
Direct meetings
East vs West 14RightJohn Brzenk
Community predictions
Community predictions
Your fight prediction
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