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UFC simulation vs. the market Bout Simulator
Women's Strawweight

Mackenzie Dern

16-5-0 UFC 12-5-0
Bottomless Cardio Submission Grappler
5'4"Height
63"Reach
OrthodoxStance
33Age
0KO wins
5Sub wins
41.7%Finish rate
14:48Avg fight

Skill profile

Rated 0–100 · where 138 MMA has read him, his grades and tags set each axis and the stats only nudge inside his band · stats alone where he is silent · the rim is reserved for specialists
Striking — Below avg, rated 40 of 100 · 138 MMA: striking decent · Oct 2025 · stats read 39 → nudged -0 inside the band · claims striking volume -2, striking technique +2, pressure +1 (+2) Accuracy — Below avg, rated 29 of 100 · claims striking technique +2 (+4) Striking D — Below avg, rated 30 of 100 · 138 MMA whiteboard: striking defence marked as a minus · stats read 35 → nudged -0 inside the band · claims striking defense -2, pressure resistance +1 (-5) Durability — Above avg, rated 76 of 100 · 138 MMA tag chin: durable · Aug 2026 · stats read 45 → nudged -3 inside the band · claims chin +2, pressure resistance +1 (+5) Wrestling — Average, rated 62 of 100 · claims td offense -2, clinch +1 (-3) TD Defense — Weak, rated 21 of 100 · stats only — nothing in his reads bears on this axis Grappling — Strong, rated 89 of 100 · 138 MMA: grappling solid · Oct 2025 · stats read 88 → nudged +4 inside the band · tag sub threat: good (+3) · claims sub offense +2, ground and pound +1 (+5) Control — Above avg, rated 81 of 100 · claims ground and pound +1 (+2) Striking Accuracy Striking D Durability Wrestling TD Defense Grappling Control
striking decent
5 analyst reads graded this phase
  • decent UFC 321 Analysis, Prediction, And Breakdown · October 20, 2025 watch ↗
  • decent UFC Fight Night Dern vs Ribas 2 Full Card Analysis, Prediction & Breakdown · January 7, 2025 watch ↗
  • decent UFC 298 Full Card Analysis, Breakdown, & Prediction · February 13, 2024 watch ↗
  • decent UFC 295 Full Card Breakdown, Predictions, & Analysis · November 7, 2023 watch ↗
  • decent UFC Fight Night Dern vs Hill Predictions & Full Card Breakdown (UFC Vegas 73) · May 16, 2023 watch ↗
grappling solid
2 analyst reads graded this phase
  • solid UFC 321 Analysis, Prediction, And Breakdown · October 20, 2025 watch ↗
  • elite UFC Fight Night Sandhagen vs Nurmagomedov Full Card Analysis, Prediction & Breakdown (UFC Abu Dhabi) · July 30, 2024 watch ↗
wrestling not yet read
cardio elite
2 analyst reads graded this phase
  • elite UFC Fight Night Sandhagen vs Nurmagomedov Full Card Analysis, Prediction & Breakdown (UFC Abu Dhabi) · July 30, 2024 watch ↗
  • elite UFC 295 Full Card Breakdown, Predictions, & Analysis · November 7, 2023 watch ↗
durability not yet read
striking decent 5 reads
grappling solid 2 reads
wrestling not yet read
cardio elite 2 reads
durability not yet read

138 MMA anchors Striking, Striking D, Durability, Grappling · his tags and claims adjust Accuracy, Wrestling, Control · stats alone on TD Defense.

Bottomless Cardio 138 MMA · Jul 2024 grades his cardio elite
Submission Grappler strong grappling — rates 89 of 100 · 138 MMA: grappling solid · Oct 2025
Career rates — the raw numbers behind the chart
Sig. strikes landed / min3.38
Sig. strikes absorbed / min3.74
Striking accuracy41.4%
Striking defense52.7%
Knockdowns / 15 min0.12
Takedowns / 15 min1.07
Takedown accuracy22.0%
Takedown defense40.6%
Sub attempts / 15 min1.01
Control time29.6%
Record vs .500+ opponents7-5

Insider info

8 analyst reads · 138 MMA · our paraphrase, never his words
vs Gillian Robertson lean UFC 330 · August 12, 2026
strikingdecent grapplingsolid cardioelite

He names her clearly and says he has more confidence here than in several other bouts on the card, which is a lean rather than a coinflip. But the pick is explicitly conditional on the fight reaching the mat, he says he is torn before making it, and he concedes he cannot call a purely standing fight. Graded lean on the verdict axis, with the hedging carried separately in conviction_net.

A champion whose case rests entirely on the ground. He reads her striking as a genuine liability, singling out the defense, and notes that her improvements on the feet appear in one fight and vanish the next rather than accumulating. He does credit one unorthodox habit: she steps straight in behind an overhand without changing levels first, which should not work and does. On the mat he rates her control and her ability to advance position highly, and treats her twice neutralising a grappler who dominates everyone else as settled evidence rather than a fluke. The reservation is that she rarely earns a takedown in open space and instead gives up top position by pulling guard, which hands the initiative to an opponent who does win takedowns. His pick is conditional: her grappling wins it if the fight gets to the mat, and he declines to call it if it stays standing.

Strengthpositional control on the mat and unusually good at advancing to better positions
Strengthdeep, varied submission arsenal
Strengthdurable under pressure with no history of fading or wilting
Strengthunorthodox step-in overhand that lands despite skipping the level change
Strengthproven twice against elite-level grappling opposition
Weaknessstriking defense is a clear liability
Weaknessstriking improvements are inconsistent from fight to fight rather than cumulative
Weaknessno reliable open-mat takedown; concedes top position by pulling guard instead
chin · durablesub threat · goodcompetition quality · tested
vs Virna Jandiroba coinflip UFC 321 Analysis, Prediction, And Breakdown · October 20, 2025 · 1 read since
strikingdecent grapplingsolid cardioelite

Discloses being a self-described fan of Jandiroba as a possible bias, then says plainly he does not know for sure how he feels about the pick and calls that scary.

Her output on the feet is uneven -- flashes of progress that sometimes slip back toward older habits -- and her guard there is poor, though she can absorb a shot. Where she stands apart is on the ground: regarded as among the better jiu-jitsu technicians in the women's 115-pound class, moving well between positions, controlling thoroughly and threatening a wide submission game, though getting there on her own terms is harder since her entries aren't her strongest asset. Her own coaches/analyst credit her with sharpening her hands since the pair's first meeting, which she won. As of 2025-10-20.

Strengthranked among the division's most accomplished submission grapplers
Strengthgood transitions, really good control, strong submission arsenal
Strengthdurable
Weaknessinconsistent striking that can regress mid-fight
Weaknesspoor striking defense
Weaknessdoes not have the best takedowns of her own
chin · durablesub threat · good
vs Amanda Ribas lean UFC Fight Night Dern vs Ribas 2 Full Card Analysis, Prediction & Breakdown · January 7, 2025 · 2 reads since
strikingdecent grapplingelite cardioelite

Commits to Ribas on a stylistic read (stops the takedowns, outstrikes Dern) and says he 'just doesn't see it' for Dern, but concedes Dern is live for a finish and live for controlling three of five rounds without fully rebutting that path -- a real, acknowledged out for the pick's loser.

High-level jiu-jitsu player (off-ladder) with a large toolbox, good control, a good submission arsenal and good transitions, but her standing takedown entries are a long-running weakness -- she has to walk forward and absorb shots to close distance, which does not always work. Striking is decent but inconsistent, and her striking defense is described as poor, though she is durable enough to absorb punishment. This is a rematch of a fight she lost.

StrengthElite-level grappling toolbox: control, submissions and transitions from everywhere
StrengthDurable; able to absorb punishment and keep coming forward
WeaknessLong-standing inability to get open-mat takedowns without eating shots first
WeaknessStriking defense described as poor; inconsistent striking output overall
chin · durable
vs Loopy Godinez coinflip UFC Fight Night Sandhagen vs Nurmagomedov Full Card Analysis, Prediction & Breakdown (UFC Abu Dhabi) · July 30, 2024 · 3 reads since
grapplingelite cardioelite strikingdecent

A classic double hedge: a well-known idiom for sitting a fight out is used, paired directly with explicit advice that viewers should not wager on this one, and the pick itself is framed conditionally -- it only holds together if the picked fighter brings her best gameplan.

A forward-moving, high-output boxer whose level of execution genuinely swings fight to fight -- flashes of real progress show up and then disappear, and her guard once hit is called poor. Her wrestling entries off the cage are solid enough, backed by a submission game the analyst rates at the very top of the sport: a deep toolbox that threatens from almost any position. She is noted as exceptionally tough physically and as having faced the tougher opposition overall.

Strengthhigh-output, forward boxing
Strengtheffective cage-takedown entries
Strengthelite, any-position submission threat
Strengthexceptionally tough physically
Strengthhistory against stiffer competition
Weaknesspoor guard once struck
Weaknessinconsistent boxing execution between fights
chin · durablesub threat · elite
vs Amanda Lemos lean UFC 298 Full Card Analysis, Breakdown, & Prediction · February 13, 2024 · 4 reads since
strikingdecent cardioelite

He projects Lemos winning the first two rounds, explicitly concedes Dern 'takes over' late and that Lemos must fend off a string of submission attempts, and only 'squeaks' out the win -- a real, acknowledged late-fight route for the opponent that is not dismissed, just assumed survived.

Dern's grappling is her headline asset -- a wide-ranging submission attack she can launch from nearly any position, which the analyst calls her single best weapon, with the ability to accumulate control time once she gets a fight to the floor. Her takedown entries are a genuine weak point -- more improvised than technical -- and she has not fixed that. Her striking shows real improvement but is inconsistent, and her striking defense is outright poor; she is durable enough to absorb shots while closing distance, and she holds a real cardio advantage over Lemos late. Her own output on the feet is a little light.

Strengthhigh-level, varied submission game from nearly any position
Strengthbetter late-fight cardio than her opponent
Strengthdurable, can absorb shots to close distance
Weaknessunreliable, improvised takedown entries
Weaknesspoor striking defense
Weaknessinconsistent, light-output striking
sub threat · elitechin · durable
vs Jessica Andrade lean UFC 295 Full Card Breakdown, Predictions, & Analysis · November 7, 2023 · 5 reads since
strikingdecent cardioelite

He states the pick plainly, saying he thinks Dern 'gets this one done', but closes by admitting he is not fully convinced just before naming her, which caps this below a clear call.

A high-level Brazilian jiu-jitsu fighter with an extremely large toolbox, control from wherever she ends up, and submission threats from any limb or position -- rated fantastic once she gets a fight to the floor. Her clear hole is getting there: she lacks quality takedowns and has resorted to jumping guard or diving in, which gets her hit. Her striking is only decent and her defense there is a real problem, though she is very durable and her cardio is rated fantastic over three rounds. The analyst notes a standout recent striking performance but is openly unsure whether it was a real step forward or a one-off. As of 2023-11-07.

Strengthhigh-level BJJ, extremely large toolbox, dangerous from any position
Strengthcontrol once grounded, rated fantastic there
Strengthvery durable
Strengthcardio rated fantastic over a three-round fight
Weaknesslacks quality takedowns, sometimes resorts to jumping guard or diving in
Weaknessstriking defense is a real problem
chin · durable
vs Angela Hill lean UFC Fight Night Dern vs Hill Predictions & Full Card Breakdown (UFC Vegas 73) · May 16, 2023 · 6 reads since
strikingdecent

gives a full mechanism for the pick but explicitly calls it a low-confidence pick

A high-level Brazilian Jiu-Jitsu fighter with a deep submission toolbox -- arms, legs, the neck, whatever presents itself -- and the capacity to bank control time when a finish is not there. Has recently added ground-and-pound to her jiu-jitsu, called a real improvement. Her own takedowns are not there, so she has to strike some to get into range; her striking is decent at best and her striking defense is described as horrible. What makes her dangerous anyway is extreme durability -- she can absorb punishment for a full five rounds while working to drag the bout to the canvas.

Strengthhigh-level, comprehensive BJJ/submission game
Strengthcan bank control time; recently added ground-and-pound as a real improvement
Strengthelite durability -- can absorb punishment for five rounds
Weaknessown takedowns are not there
Weaknessdecent striking at best, with horrible striking defense
sub threat · elitechin · durable
vs Yan Xiaonan lean UFC FIGHT NIGHT: Dern vs Yan Full Card Analysis, Preview, and Prediction · September 28, 2022 · 7 reads since

A dense stack of explicit hedges on the outcome itself: he says he doesn't feel good about the pick, isn't confident in either fighter, and calls the fight really close, putting his own number at only about six in ten. A real mechanism is still given (a grappling path to victory once the fight hits the ground), which keeps it above coinflip, but the density and explicitness of the outcome hedges place this at lean.

Elite, genuinely dominant Brazilian jiu-jitsu described in superlative terms ('lights out,' 'really solid'), paired with striking the analyst calls horrible, though he notes a possible small recent improvement. Her core technical gap is the lack of an open-range takedown entry, which would let her use her grappling without eating punches first.

Strengthelite Brazilian jiu-jitsu / submission grappling
Weaknesspoor striking (described as 'horrible,' 'so bad')
Weaknesslacks a takedown entry from open range, forcing her into the clinch/cage to get there -- no scout_vocab tag fits this specific gap (closing distance to enter a takedown, distinct from general wrestling); flagged as a possible new vocabulary gap rather than forced into an existing tag
sub threat · elite

Striking trend

Sig. strikes/min, last 8 fights · green = win
October 1, 2022 vs Yan Xiaonan — 2.44/min (L) Oct '22 May 20, 2023 vs Angela Hill — 5.04/min (W) May '23 November 11, 2023 vs Jessica Andrade — 5.94/min (L) Nov '23 February 17, 2024 vs Amanda Lemos — 1.4/min (L) Feb '24 August 3, 2024 vs Loopy Godinez — 4.8/min (W) Aug '24 January 11, 2025 vs Amanda Ribas — 1.81/min (W) Jan '25 October 25, 2025 vs Virna Jandiroba — 4.72/min (W) Oct '25 August 15, 2026 vs Gillian Robertson — 2.6/min (W) Aug '26

Fight history

17 UFC bouts · newest first · opponent records as of fight night
W Gillian Robertson 17-8 walk-in TITLE Decision - Unanimous · R5 5:00 — UFC 330: Makhachev vs. Machado Garry · August 15, 2026
65/168Sig. strikes
49/131Absorbed
4/6Takedowns
10:48Control
0Knockdowns
1Sub attempts
W Virna Jandiroba 22-3 walk-in TITLE Decision - Unanimous · R5 5:00 — UFC 321: Aspinall vs. Gane · October 25, 2025
118/231Sig. strikes
106/217Absorbed
2/8Takedowns
3:45Control
0Knockdowns
0Sub attempts
W Amanda Ribas 13-5 walk-in Submission · R3 4:56 — UFC Fight Night: Dern vs. Ribas 2 · January 11, 2025
27/46Sig. strikes
17/56Absorbed
1/3Takedowns
4:34Control
0Knockdowns
1Sub attempts
W Loopy Godinez 12-4 walk-in Decision - Unanimous · R3 5:00 — UFC Fight Night: Sandhagen vs. Nurmagomedov · August 3, 2024
72/203Sig. strikes
67/146Absorbed
2/5Takedowns
2:45Control
0Knockdowns
0Sub attempts
L Amanda Lemos 13-3-1 walk-in Decision - Unanimous · R3 5:00 — UFC 298: Volkanovski vs. Topuria · February 17, 2024
21/54Sig. strikes
41/80Absorbed
1/3Takedowns
6:00Control
0Knockdowns
0Sub attempts
L Jessica Andrade 24-12 walk-in KO/TKO · R2 3:15 — UFC 295: Prochazka vs. Pereira · November 11, 2023
49/114Sig. strikes
53/107Absorbed
0/4Takedowns
0:00Control
0Knockdowns
0Sub attempts
W Angela Hill 15-12 walk-in Decision - Unanimous · R5 5:00 — UFC Fight Night: Dern vs. Hill · May 20, 2023
126/210Sig. strikes
66/108Absorbed
3/9Takedowns
13:12Control
1Knockdowns
0Sub attempts
L Yan Xiaonan 16-3 walk-in Decision - Majority · R5 5:00 — UFC Fight Night: Dern vs. Yan · October 1, 2022
61/151Sig. strikes
113/195Absorbed
2/11Takedowns
9:19Control
0Knockdowns
2Sub attempts
W Tecia Pennington 13-5 walk-in Decision - Split · R3 5:00 — UFC 273: Volkanovski vs. The Korean Zombie · April 9, 2022
50/156Sig. strikes
76/124Absorbed
0/5Takedowns
2:24Control
0Knockdowns
3Sub attempts
L Marina Rodriguez 14-1-2 walk-in Decision - Unanimous · R5 5:00 — UFC Fight Night: Dern vs. Rodriguez · October 9, 2021
49/174Sig. strikes
144/279Absorbed
1/8Takedowns
7:21Control
0Knockdowns
1Sub attempts
W Nina Nunes 10-6 walk-in Submission · R1 4:48 — UFC Fight Night: Vettori vs. Holland · April 10, 2021
12/22Sig. strikes
4/7Absorbed
1/2Takedowns
4:00Control
0Knockdowns
1Sub attempts
W Virna Jandiroba 16-1 walk-in Decision - Unanimous · R3 5:00 — UFC 256: Figueiredo vs. Moreno · December 12, 2020
82/174Sig. strikes
63/134Absorbed
0/5Takedowns
2:34Control
0Knockdowns
0Sub attempts
W Randa Markos 10-8-1 walk-in Submission · R1 3:44 — UFC Fight Night: Covington vs. Woodley · September 19, 2020
9/13Sig. strikes
3/5Absorbed
0/0Takedowns
1:45Control
0Knockdowns
5Sub attempts
W Hannah Cifers 10-4 walk-in Submission · R1 2:36 — UFC Fight Night: Woodley vs. Burns · May 30, 2020
5/21Sig. strikes
7/26Absorbed
0/1Takedowns
0:00Control
0Knockdowns
1Sub attempts
L Amanda Ribas 7-1 walk-in Decision - Unanimous · R3 5:00 — UFC Fight Night: Joanna vs. Waterson · October 12, 2019
20/145Sig. strikes
74/206Absorbed
0/6Takedowns
0:02Control
0Knockdowns
0Sub attempts
W Amanda Cooper 2-2 walk-in Submission · R1 2:27 — UFC 224: Nunes vs. Pennington · May 12, 2018
15/32Sig. strikes
6/25Absorbed
0/0Takedowns
0:09Control
1Knockdowns
1Sub attempts
W Ashley Yoder 5-3 walk-in Decision - Split · R3 5:00 — UFC 222: Cyborg vs. Kunitskaya · March 3, 2018
70/143Sig. strikes
52/142Absorbed
1/6Takedowns
5:51Control
0Knockdowns
1Sub attempts

Walk-in records count UFC bouts in this database. For the pre-UFC career, see the record breakdown below or the Tapology button up top.

Record breakdown

Full pro career (Wikipedia, results only)
16-5-0Pro record
MMA Lab (2016–2018), Black House MMA (2018–2020), Checkmat, RVCA (2020–2023)Gym / team

Wins by method

KO/TKO 0
Submission 8
Decision 8
Other 0

Losses by method

KO/TKO 1
Submission 0
Decision 4
Other 0

Fights by organization

UFC 16
LFA 2
Legacy FC 2
Invicta FC 1
Full career — 21 fights, every organization
OpponentMethodEventOrg RdTime
W Virna Jandiroba Decision (unanimous) UFC 321
October 25, 2025
UFC 5 5:00
W Amanda Ribas Submission (armbar) UFC Fight Night: Dern vs. Ribas 2
January 11, 2025
UFC 3 4:56
W Loopy Godinez Decision (unanimous) UFC on ABC: Sandhagen vs. Nurmagomedov
August 3, 2024
UFC 3 5:00
L Amanda Lemos Decision (unanimous) UFC 298
February 17, 2024
UFC 3 5:00
L Jéssica Andrade TKO (punches) UFC 295
November 11, 2023
UFC 2 3:15
W Angela Hill Decision (unanimous) UFC Fight Night: Dern vs. Hill
May 20, 2023
UFC 5 5:00
L Yan Xiaonan Decision (majority) UFC Fight Night: Dern vs. Yan
October 1, 2022
UFC 5 5:00
W Tecia Torres Decision (split) UFC 273
April 9, 2022
UFC 3 5:00
L Marina Rodriguez Decision (unanimous) UFC Fight Night: Dern vs. Rodriguez
October 9, 2021
UFC 5 5:00
W Nina Nunes Submission (armbar) UFC on ABC: Vettori vs. Holland
April 10, 2021
UFC 1 4:48
W Virna Jandiroba Decision (unanimous) UFC 256
December 12, 2020
UFC 3 5:00
W Randa Markos Submission (armbar) UFC Fight Night: Covington vs. Woodley
September 19, 2020
UFC 1 3:44
W Hannah Cifers Submission (kneebar) UFC on ESPN: Woodley vs. Burns
May 30, 2020
UFC 1 2:36
L Amanda Ribas Decision (unanimous) UFC Fight Night: Joanna vs. Waterson
October 12, 2019
UFC 3 5:00
W Amanda Cooper Submission (rear-naked choke) UFC 224
May 12, 2018
UFC 1 2:27
W Ashley Yoder Decision (split) UFC 222
March 3, 2018
UFC 3 5:00
W Kaline Medeiros Submission (armbar) Invicta FC 26
December 8, 2017
Invicta FC 3 4:45
W Mandy Polk Submission (rear-naked choke) LFA 24
October 13, 2017
LFA 1 2:55
W Katherine Roy Decision (unanimous) LFA 6
March 10, 2017
LFA 3 5:00
W Montana De La Rosa Submission (rear-naked choke) Legacy FC 61
October 14, 2016
Legacy FC 1 3:25
W Kenia Rosas Decision (unanimous) Legacy FC 58
July 22, 2016
Legacy FC 3 5:00

Career history from the fighter's Wikipedia record table (Mackenzie Dern) — results only, no strike stats; UFC bouts are marked and carry full stats in the fight history above.

Division context

vs. 58 qualified Women's Strawweight fighters · tick = division mean
Striking volume /min 3.4 avg 3.9
Strikes absorbed /min 3.7 avg 4.1
Striking accuracy 41.4% avg 45.0%
Striking defense 52.7% avg 54.4%
Takedowns /15 min 1.1 avg 1.5
Takedown accuracy 22.0% avg 38.7%
Takedown defense 40.6% avg 60.8%
Sub attempts /15 min 1.0 avg 0.5
Control time 29.6% avg 21.2%
Finish rate 41.7% avg 33.9%

Hero photo of Mackenzie Dern by Canal Faixa Preta · CC BY 3.0 · Wikimedia Commons