
Carlos Ulberg
“"Black Jag"”
Age
35 yrs
Hometown
Auckland, New Zealand
Height
193 cm
Weight
93 kg
Reach
196 cm
Leg Reach
110 cm
Avg Fight Time
07:27
UFC Debut
Mar. 6, 2021

AI Fighter Profile
AI Analysismedium-high confidence10 fights analyzedCounter-Striking Knockout Artist / Southpaw-Orthodox Hybrid
Volume Leg Kicker / Outfighter
Early career Ulberg (2021-2022) was a raw kickboxer with showboating tendencies, questionable chin durability, and poor finishing instinct. By 2023-2024 he developed a more disciplined jab-based outfighting system with improved range management and body attack integration. In 2025 he has emerged as a patient, high-accuracy power striker who uses leg kicks and body work to set up devastating single-shot finishes — most clearly evidenced by the Reyes KO. The evolution is from volume-dependent kickboxer to calculated counter-punching finisher, though the finishing instinct remains inconsistently applied across decisions.
Pattern Repetition
Several recurring tendencies that opponents can exploit: (1) coasting when winning, (2) not following up on hurt opponents, (3) telegraphed head kicks without setup variation, (4) retreating straight to fence under pressure rather than angling off. These patterns have appeared across multiple fights and represent genuine exploitable habits.
Primary Weapon
Left hand in southpaw stance — used as both a counter hook and a straight power shot; responsible for multiple KO finishes across the sample. Complemented by high-volume leg kicks (inside and outside) used as range-setters and damage accumulators. Career sig strike rate of 6.54/min and 55% accuracy confirm above-average output and efficiency.
Entry Style
Predominantly passive-reactive — prefers to hold range on the outside, extend lead arm as a measuring tool, and punish opponents who commit to forward entries. When proactive, walks forward behind the jab using lateral angles rather than straight-line blitzes. Does not rush entries; comfortable operating at near-zero volume for extended stretches while waiting for the right moment. Proactive entries (self-initiated lunges) are notably less refined than reactive counters.
Clinch
Actively avoids prolonged clinch engagement. When forced into the clinch, uses trips, leg sweeps, or pushes to disengage and reset to kicking range. Has demonstrated one offensive clinch takedown (vs. Jung) but this appears opportunistic rather than systematic. Clinch striking is negligible across the sample.
Ground Offense
Functional but not a primary tool. Capable of transitioning to mount and executing ground-and-pound finishing sequences (vs. Potieria, Menifield, Nchukwi). Completed one rear-naked choke (vs. Jung) showing basic submission awareness. Does not pursue sustained ground-and-pound campaigns — ground work is almost exclusively finish-oriented follow-up after knockdowns.
Setup Patterns
- ›Jab or straight left to draw reaction, then loads overhand right or left hook counter
- ›Body shots (right hand to solar plexus, body kicks) to lower guard before going upstairs
- ›Leg kicks to degrade opponent mobility and base before committing to power combinations
- ›Stance switching southpaw-to-orthodox to disguise power hand and create angle confusion
- ›Front kick down the middle as range-finder and momentum interrupter
- ›Absorbs incoming leg kick intentionally to time and land right hand counter down the middle
- ›Jab-jab-right hand triple combination as primary power sequence for knockdowns
Primary Defense
Lateral movement, distance management, and range control. Circles on the outside with extended lead arm to keep opponents at the end of his strikes. Relies on footwork to exit after exchanges rather than blocking or parrying in place. Does not use a hard shell or high guard as primary defense.
Under Pressure
Mixed and context-dependent. Against overcommitting pressure fighters (Menifield, Potieria, Nchukwi), he thrives — uses their momentum against them with well-timed counters. Against disciplined, relentless forward walkers (Nzechukwu), he struggles to re-establish range and retreats straight to the fence rather than angling off, becoming a stationary target. Jab is his primary tool for resetting distance under pressure.
After Getting Hit
Inconsistent. In recent fights (Oezdemir, Blachowicz) he has shown composure — escapes laterally, resets, and continues output. In the Nzechukwu loss, hands dropped to waist when hurt, exposing chin for follow-up bombs. The hands-dropping tell appears to be a trained-out habit in more recent fights but cannot be confirmed as fully corrected.
Takedown Defense
Strong per career stats (86% TD defense) and confirmed across the sample — successfully shucked off Oezdemir's desperation shots without difficulty, and recovered quickly from Jung's brief takedown. No elite wrestler has tested this in the sample, so the 86% career figure likely reflects non-grappler attempts.
A counter-fighter or passive outfighter who does not pressure him and who initiates forward entries with committed attacks. Fighters who walk onto Ulberg's power shots, who overextend on their own offense, or who give him time and space to set up his counter-striking game are maximally exploitable. Reyes is the archetype — a counter-oriented striker who was neutralized by Ulberg's body work and patience, then walked into the finishing right hand. Slow-footed pressure fighters who overcommit (Menifield, Potieria, Nchukwi) are also ideal — their forward momentum becomes the mechanism for his counters. Any opponent who respects his power and fights cautiously at range will be outworked by his leg kicks and jab volume.
A disciplined, high-output pressure fighter with genuine power who does not overcommit on entries, can sustain forward walking without giving Ulberg clean counter opportunities, and has the leg kick volume to pin him to the fence and remove his kicking range. The Nzechukwu template — relentless forward pressure, straight-line walking, power shots that hurt Ulberg and cause his hands to drop — is the clearest blueprint. Any fighter who combines sustained pressure with the patience not to overextend will deny Ulberg his primary counter-striking mechanism, force him to the fence, and exploit the hands-dropping tell under sustained fire. Elite wrestlers who can take him down and control him on the ground represent a secondary kryptonite given the complete absence of tested ground defense against top-tier grappling.
Fighter Stats
Striking
Grappling
Strike Breakdown
By Position
By Target
Win Methods
UFC Fight History
Scrambled
UFC 327: Procházka vs. Ulberg
Apr / 12 / 2026
Decision (Unanimous)
Decision (Unanimous)
Submission (Rear-Naked Choke)