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Updated 6/29/2026, 8:46:16 PM
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Last updated
6/29/2026
Last enrichment
6/29/2026
Analyzed through
3/20/2026
Fights on record
21
Confidence
High · 79%
Completeness
89%
MMAhealthyCostello van Steenis
Spain · PFL

Costello van Steenis

"The Spaniard"

ArchetypeSubmission Hunter

Wins on the mat — every scramble is a trap.

MiddleweightOrthodoxAge 33
Record
18-3-0
Win %
86%
KO / TKO
6
Submissions
8
Finish Rate
78%
Height
185 cm
Reach
193 cm
Fights
21
Analysis Confidence

How much we trust this read

Confidence rates the analysis, not the fighter. The Blueprint Score rates the fighter. Sparse data lowers confidence — it never gets hidden.

High · 79%
Fights on record
21
Fight-by-fight detail
5 results
Sources referenced
7
Authorized footage
Not available
Analyzed through
3/20/2026
Last updated
6/29/2026
Generate Training CampBuild an 8-week camp plan against this fighter as the opponent.
Secret Weapon

Fight Plan: Costello van Steenis

A coach-ready game plan — historical weaknesses opponents have exploited and what to drill in camp.

Historical Weaknesses
  • Can be out-volumed by high-paced pressure strikers
  • Occasionally conservative output in three-round matches leading to split decisions
Camp Focus
  • Drill takedown defense and wall scrambles
  • Constant lateral movement to break their rhythm
  • Stack southpaw sparring partners in camp
  • Underhook battles and posture work off the bottom
Blueprint Score 2.0

Sub-Score Breakdown

Overall Blueprint Score
Insufficient data
0 of 14 sub-scores rated

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Engine

What Changed?

Recent intelligence updates from the Blueprint engine — confidence shifts, new tactical observations, and patterns detected.

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Pattern Recognition

Tactical Patterns

Repeatable trigger → action → result sequences detected by the engine. Low-confidence patterns are labeled, not hidden.

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AI Memory

Tactical Memory

Persistent observations the engine has accumulated. New observations merge with existing memory instead of overwriting it.

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Blueprint Radar
BP 8.4/10

Fighter fingerprint

MMA attribute profile — only skills that matter in this sport are scored, and any axis we cannot evidence is left blank rather than scored as zero.

Striking84Wrestling82Grappling88Cardio85Fight IQ86Distance Control82Costello van Steenis
Read the shape

Grappling and Fight IQ are the highest scored axes; expect the game plan to lean on this.

  • Striking84
  • Wrestling82
  • Grappling88
  • Cardio85
  • Fight IQ86
  • Distance Control82
Tactical Intelligence

Strategic breakdown

Style fingerprint derived from the attribute ratings and finish rates on file. Each row is labelled with how Fight Blueprint reached it — none of these are measured from footage.

Most dangerous weaponSTAT
Submission chains off scrambles
Common entriesSTAT
Level change off jab feint
Favorite takedownSTAT
Reactive double, run the pipe
Submission threatSTAT
High
Pressure styleSTAT
Walks opponents down
Counter styleSTAT
Sharp counter striker
Distance preferenceSTAT
Mid-range pocket
PaceSTAT
High output
Cardio trendSTAT
Strong championship rounds
Evolution

Fight Timeline

How Costello van Steenis has evolved year-by-year — milestones, camp changes, style shifts, and notable results.

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Fight IQ

Observations & evidence

Every observation expands into the evidence behind it. Tap a row to see why this read was made.

Strengths
Weaknesses
Tendencies
Evidence

Video Evidence Ledger

Timestamped tactical observations that back the analysis. Each item cites the fight, round, and moment.

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Camp Prep ReportWhat to drill this week

Prep for camp: Costello van Steenis

Recommendations a coach can act on tomorrow — opponent tendencies, drills, and the sparring styles to stack against this fight.

Most Common Tendencies
Patterns to expect in competition
  • Utilizes a high-level counter-striking game developed under mentor Gegard Mousasi
  • Threatens with heavy elbows in close quarters and from the clinch
  • Methodical top game focusing on control before advancing to submissions
Training Recommendations
Drill these specific looks
  • Drill reactive sprawls — bait the shot off your right hand
  • Pad work on cutting off their right-side exits
  • Match their pace early, then turn the screws late
  • Win exchanges with volume, not single shots — they walk through power
  • Posture and frame drills off bottom — never give up the back
Sparring Recommendations
Stack these styles in camp
  • Southpaw pressure partner
  • Chain-wrestling partner
  • High-output striker with heavy leg kicks
  • Black-belt grappler comfortable on bottom
Film Room
Clips coming soon

Timestamped breakdowns

Curated moments from Steenis's tape — each clip annotated with the technique on display.

Play
Clip 1
Counter left hook
Striking · Counter
Play
Clip 2
Double leg entry
Wrestling · Entry
Play
Clip 3
Pressure against the fence
Cage Work
Play
Clip 4
Submission setup
Grappling · Finish
Knowledge Graph

Similar Fighters

Stylistic neighbors based on sub-score vector, archetype, and weight class.

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Find Footage

See it on film

Every read above should be verifiable. Jump straight to the footage on the platforms that host it legally — official channels first, archive sites second.

Striking only

Distance, combinations, defensive movement

Grappling only

Entries, control, scrambles, submissions

Most recent fight

Full round and post-fight breakdown

Coaches: official clip embeds per fighter are coming next — for now, deep links open searches pre-filtered to Costello van Steenis.

Status / Injuries

healthy

Last competed in March 2026.

Checked 6/21/2026

Recent Form

  • W
    vs Fabian Edwards
    KO (Elbows) · R1 · PFL Madrid
    2026-03-20
  • W
    vs Bolaji Oki
    Technical Submission (Brabo Choke) · R1 · Bellator Champions Series 2
    2024-05-17
  • W
    vs Kamil Oniszczuk
    Submission (D'Arce Choke) · R2 · Bellator 287
    2022-10-29
  • W
    vs Fabian Edwards
    Decision (Split) · R3 · Bellator 248
    2020-09-26
  • L
    vs John Salter
    Decision (Unanimous) · R3 · Bellator 233
    2019-11-23

Availability

active

Recently crowned PFL Middleweight World Champion as of March 2026.

Record

W-L-D
18-3-0
KO / TKO
6
Submissions
8
Win %
86%

Scouting Summary

Costello van Steenis is a Dutch-Spanish professional mixed martial artist and the inaugural PFL Middleweight World Champion. Born in Rotterdam and raised in Spain, he trains out of MMA Vlaardingen and is mentored by Gegard Mousasi. He has competed in Bellator and the PFL, holding

Primary source ↗

Tendencies

  • Utilizes a high-level counter-striking game developed under mentor Gegard Mousasi
  • Threatens with heavy elbows in close quarters and from the clinch
  • Methodical top game focusing on control before advancing to submissions
  • Highly durable fighter who has never been finished in professional competition

Signature Moves

  • Ground and pound elbows
  • D'Arce choke
  • Lead leg calf kicks
  • Snap jab counter

Weaknesses

  • Can be out-volumed by high-paced pressure strikers
  • Occasionally conservative output in three-round matches leading to split decisions

Biography & Camp

Costello van Steenis is a Dutch-Spanish professional mixed martial artist and the inaugural PFL Middleweight World Champion. Born in Rotterdam and raised in Spain, he trains out of MMA Vlaardingen and is mentored by Gegard Mousasi. He has competed in Bellator and the PFL, holding notable victories over Fabian Edwards and Johnny Eblen.

Gym: MMA Vlaardingen