// Roster Index›Welterweight›Dossier · Zak Bucia
UFC FIGHTER PROFILE_
UFC · UNKNOWNWELTERWEIGHT

Zak
Bucia

NICKNAME"Crash"·UNITED STATES
PROFESSIONAL RECORD
19-15-0
CURRENT FORM
2L STREAK
NEXT FIGHT
NO BOUT ANNOUNCED
Zak Bucia
FIGHTER -
UNI🇺🇸
PROFILE PHOTO
PROFILE
PROFILE DATA! COLD
HEIGHT
5'10"
AGE
42
WEIGHT
Welterweight
PROFESSIONAL RECORD_
34 BOUTS
WIN
19
LOSS
15
DRAW
0
WIN RATE
56%
19/34 bouts
FINISH RATE
84%
of professional wins
LAST 5 FIGHTS2L STREAK · 1-4
LLWLL
STYLE SUMMARY_
DATA: COLD
FIGHTING STYLE
WELL ROUNDED

Well rounded fighter with no dominant single weapon — 53% of wins are by sub.

KEY STRENGTHS

Drags it to the mat and hunts the finish — submission threat opens up off transitions.

KEY RISKS

Volume strikers have outpointed across full fights — output drops after R2.

// PERFORMANCE_METRICS · 02_

STRIKE / GRAPPLE
VITALS

Observed profile rates compared with stored weight-class medians where coverage exists. Any fallback uses a labeled UFC reference average; no fallback is presented as a division median.

// SLPM▼ BELOW
0.00
Strikes Landed/Min
Reference value 2.65
// STR. ACC▼ BELOW
0%
Striking Accuracy
Reference value 47%
// SAPM▲ ABOVE
0.00
Strikes Absorbed/Min
Reference value 2.74
// STR. DEF▼ BELOW
0%
Striking Defense
Reference value 53%
// TD AVG▼ BELOW
0.00
Takedowns/15 min
Reference value 1.50
// TD ACC▼ BELOW
0%
Takedown Accuracy
Reference value 40%
// TD DEF▼ BELOW
0%
Takedown Defense
Reference value 59%
// SUB AVG▼ BELOW
0.00
Submissions/15 min
Reference value 0.50
// QUALITY_OF_COMPETITION · 02B_

WHO THEY
ACTUALLY FOUGHT

A record says how often a fighter won, not against whom. These ratings weigh every result by the opponent's strength at the time, then compare this fighter with the 99 rated fighters on the UFC welterweight roster (anyone with a UFC bout in the last two years or one booked).

// RATING
#100
against the 99 rated on the UFC welterweight roster · Elo 1446
// STRENGTH OF SCHEDULE
6th
percentile · average opponent rated 1502 at fight time (recent fights count most)
// RESULTS VS EXPECTATION
8th
percentile · fell short of what opponents' ratings predicted (-0.21 per fight)

21 rated fights · opponents rated in 62% of recorded fights · last rated fight MAY 3, 2024

// CAREER_BREAKDOWN · 03_

WIN CONDITION MAP

Where the wins come from, and where the losses came from. Method splits by knockout, submission, and decision.

// WINS (19)
n = 19
KO/TKO · 6
SUB · 10
DEC · 3
6
KO/TKO
32%
10
SUB
53%
3
DEC
16%
// LOSSES (15)
n = 15
KO/TKO · 3
SUB · 1
DEC · 11
3
KO/TKO
20%
1
SUB
7%
11
DEC
73%
// PATH_TO_VICTORY_
84% FINISH
KO/TKOEARLY ROUNDS · 6 fights
32%
SUBANY ROUND · 10 fights
53%
DECFULL FIGHT · 3 fights
16%
Top win condition: ko/tko · early rounds.
// DNA_PROFILE · 04_

ATTRIBUTE FINGERPRINT

Evidence-backed 0-100 scores built only from observed profile stats and disclosed bout-history proxies. This is a fixed Blueprint scoring model, not a division percentile; missing axes remain unknown.

// DNA_PROFILE_
2 OBSERVED5 DERIVED3 UNKNOWN
// BENCHMARK
FIXED SCORE SCALE
// LINKED SAMPLE
34 BOUTS
// PROFILE UPDATED
JUL 23, 2026
// RECORDED SOURCE
ufcstats
Fighter attribute fingerprint7 of 10 attributes have evidence-backed scores on the Blueprint fixed scale. Unknown axes are not plotted and no score represents a division percentile.KO POWER45TD DEFENSE20GRAPPLING60CHIN77STRIKINGN/ACARDIO67AGGRESSIONN/ASUB THREAT20STR DEFENSEN/ARECOVERY57
// BANDS
90+ELITE
70-89STRONG
45-69AVERAGE
30-44BELOW
<30LOW
N/AUNKNOWN
Highest scored axis: Chin. Lowest scored axis: Sub Threat.
// EVIDENCE REGISTER
7 SCORED · 3 OPEN
KO Power45
DERIVED PROXY

KO wins divided by total career wins

N=19 wins
TD Defense20
OBSERVED INPUT

Observed takedown defense rate (0%)

Grappling60
DERIVED PROXY

Composite of observed takedown volume, accuracy, and submission rate

Chin77
DERIVED PROXY

KO-loss durability proxy from career record

N=34 bouts
StrikingN/A
NOT ON FILE

Needs striking volume and accuracy

Cardio67
DERIVED PROXY

Long-fight exposure proxy from bout duration and decision-win share

AggressionN/A
NOT ON FILE

Needs striking and takedown volume

Sub Threat20
OBSERVED INPUT

Observed submission rate (0 per 15 min)

Str DefenseN/A
NOT ON FILE

Needs striking defense or absorption rate

Recovery57
DERIVED PROXY

Share of recorded losses followed by a win in the next recorded bout.

N=15 losses
Fighter attribute fingerprint accessible data summary
AttributeScoreProvenanceEvidenceSample
KO Power45 out of 100DERIVED PROXYKO wins divided by total career wins19 wins
TD Defense20 out of 100OBSERVED INPUTObserved takedown defense rate (0%)Not recorded
Grappling60 out of 100DERIVED PROXYComposite of observed takedown volume, accuracy, and submission rateNot recorded
Chin77 out of 100DERIVED PROXYKO-loss durability proxy from career record34 bouts
StrikingUnknownNOT ON FILENeeds striking volume and accuracyNot recorded
Cardio67 out of 100DERIVED PROXYLong-fight exposure proxy from bout duration and decision-win shareNot recorded
AggressionUnknownNOT ON FILENeeds striking and takedown volumeNot recorded
Sub Threat20 out of 100OBSERVED INPUTObserved submission rate (0 per 15 min)Not recorded
Str DefenseUnknownNOT ON FILENeeds striking defense or absorption rateNot recorded
Recovery57 out of 100DERIVED PROXYShare of recorded losses followed by a win in the next recorded bout.15 losses
// CAREER_MOMENTUM · 05_

THE ARC SO FAR

Rolling momentum score (0-100) recomputed after every bout. Weighted blend of result, opponent context, and method-of-finish, designed to show the shape, not the destination.

// MOMENTUM_TIMELINE_
SCOREWINLOSS
0255075100JUL 2007LJUL 2007WMAR 2008WJUL 2008WNOV 2008LAPR 2009WMAY 2009WJUL 2009LAUG 2009WNOV 2009LJUL 2010WFEB 2011WJUL 2011WAPR 2012WAUG 2012LMAY 2013WMAY 2014LJUL 2014WNOV 2014WMAY 2015WJUL 2015WSEP 2015LMAR 2016LMAY 2016WDEC 2016WMAY 2017WSEP 2017LOCT 2017LAPR 2018LOCT 2018LFEB 2020LAUG 2021WJAN 2022LFEB 2022LMAY 2024// SCORE

  1. Start, JUL 2007, momentum score 45.
  2. Start, JUL 2007, momentum score 38, DEC R3.
  3. Start, MAR 2008, momentum score 49, KO/TKO R1.
  4. Start, JUL 2008, momentum score 56, DEC R3.
  5. Start, NOV 2008, momentum score 65, SUB R1.
  6. Start, APR 2009, momentum score 58, DEC R3.
  7. Start, MAY 2009, momentum score 68, SUB R1.
  8. Start, JUL 2009, momentum score 79, KO/TKO R1.
  9. Start, AUG 2009, momentum score 69, KO/TKO R1.
  10. Start, NOV 2009, momentum score 79, SUB R1.
  11. Start, JUL 2010, momentum score 72, DEC R3.
  12. Start, FEB 2011, momentum score 81, SUB R1.
  13. Start, JUL 2011, momentum score 90, KO/TKO R2.
  14. Start, APR 2012, momentum score 100, SUB R1.
  15. Start, AUG 2012, momentum score 100, SUB R2.
  16. Start, MAY 2013, momentum score 93, DEC R3.
  17. Start, MAY 2014, momentum score 100, SUB R4.
  18. Start, JUL 2014, momentum score 93, DEC R3.
  19. Start, NOV 2014, momentum score 100, DEC R3.
  20. Start, MAY 2015, momentum score 100, KO/TKO R1.
  21. Start, JUL 2015, momentum score 100, KO/TKO R2.
  22. Start, SEP 2015, momentum score 100, SUB R2.
  23. Start, MAR 2016, momentum score 93, DEC R3.
  24. Start, MAY 2016, momentum score 86, KO/TKO R3.
  25. Start, DEC 2016, momentum score 97, KO/TKO R1.
  26. Start, MAY 2017, momentum score 100, DEC R3.
  27. Start, SEP 2017, momentum score 100, SUB R4.
  28. Start, OCT 2017, momentum score 93, SUB R2.
  29. Start, APR 2018, momentum score 86, DEC R3.
  30. Start, OCT 2018, momentum score 79, DEC R5.
  31. Start, FEB 2020, momentum score 72, DEC R3.
  32. Start, AUG 2021, momentum score 65, DEC R3.
  33. Start, JAN 2022, momentum score 75, SUB R1.
  34. Start, FEB 2022, momentum score 68, KO/TKO R2.
  35. Start, MAY 2024, momentum score 61, DEC R3.

Peaked at 100 (W vs Hedrick), bottomed at 38 (L vs Minihan). Current reading: 61.

// KILL_SHOT_MATRIX · 06_

WHEN THE FINISHES COME

Cross-tab of fight outcome by method and round. Reads top-down for method, left-right for round. Cyan intensity scales with frequency.

// METHOD × ROUND_
34/34 fights mapped
METHOD ↓ / ROUND →R1R2R3R4R5FREQ
KO/TKO
5
15%
3
9%
1
3%
-
-
9
total
SUB
6
18%
3
9%
-
2
6%
-
11
total
DEC
-
-
13
38%
-
1
3%
14
total
// PRIMARY KILL ZONE
R1-R2 KO/TKO · 8 of 34 mapped
// LATE-FIGHT GAP
No R5 finishes either way
// DECISION RATE
41%, fights often go the distance
// FIGHT_HISTORY · 08_

BOUT LOG
34 FIGHTS

Detailed bout records for the indexed tenure. Sorted most recent first.

L
VS Zach ScrogginMay 3, 2024
DecisionR3 · 5:00
FAC 24 - Fighting Alliance Championship 24
SECONDARY DETAILS
METHOD
DETAIL
Decision (Unanimous)
L
VS Mikey EnglandFeb 6, 2022
KO/TKOR2 · 4:17
FAC 12 - Fighting Alliance Championship 12
SECONDARY DETAILS
METHOD
DETAIL
TKO (Punches)
W
VS Marcus AndrusiaJan 14, 2022
SubmissionR1 · 0:47
Apex FC 4 - Apex Fighting Championship
SECONDARY DETAILS
METHOD
DETAIL
Submission (Kimura)
L
VS Austin JonesAug 20, 2021
DecisionR3 · 5:00
Apex FC 2 - Apex Fighting Championship
SECONDARY DETAILS
METHOD
DETAIL
Decision (Unanimous)
L
VS Jason WittFeb 22, 2020
DecisionR3 · 5:00
FAC 2 - Fighting Alliance Championship 2
SECONDARY DETAILS
METHOD
DETAIL
Decision (Unanimous)
L
VS Chris HarrisOct 20, 2018
DecisionR5 · 5:00
EFC - Evolution Fighting Championship 10
SECONDARY DETAILS
METHOD
DETAIL
Decision (Split)
L
VS Derek AndersonApr 13, 2018
DecisionR3 · 5:00
Bellator 197 - Chandler vs. Girtz
SECONDARY DETAILS
METHOD
DETAIL
Decision (Unanimous)
L
VS Neiman GracieOct 20, 2017
SubmissionR2 · 2:27
Bellator 185 - Mousasi vs. Shlemenko
SECONDARY DETAILS
METHOD
DETAIL
Submission (Neck Crank)
W
VS Aaron HighfillSep 22, 2017
SubmissionR4 · 3:03
Shamrock FC - Shamrock 295
SECONDARY DETAILS
METHOD
DETAIL
Submission (Armbar)
W
VS Bobby VoelkerMay 20, 2017
DecisionR3 · 5:00
Shamrock FC - Shamrock 289
SECONDARY DETAILS
METHOD
DETAIL
Decision (Unanimous)
W
VS Adam MeredithDec 3, 2016
KO/TKOR1 · 4:37
Shamrock FC - Shamrock 280
SECONDARY DETAILS
METHOD
DETAIL
TKO (Punches)
L
VS Jake LindseyMay 21, 2016
KO/TKOR3 · 1:26
VFC 50 - Victory Fighting Championship 50
SECONDARY DETAILS
METHOD
DETAIL
TKO (Knee to the Body and Punches)
// FAQ · 09_

CITATION-READY ANSWERS

Quick answers based on the public fighter profile and fight history shown on this page.

Welterweight. Professional record 19-15. Unranked at the time of indexing.

Research Zak Bucia

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// FORECAST_AVAILABLE_
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// LAST INDEX SYNC · 2026-10-28