Ultimate Fighting Calendar
UFCUFC Fight Night: Joanna vs Waterson
Women's Strawweight3 rounds scheduled
Mackenzie Dern
Mackenzie Dern
16-5-0
RESULT

Amanda Ribas def. Mackenzie Dern (Unanimous Decision)

Unanimous Decision · Round 3 · 5:00
WIN
Amanda Ribas
BrazilAmanda Ribas
13-7-0
Sunday, October 13, 2019
Amalie Arena, Tampa, United States

Amanda Ribas defeated Mackenzie Dern by Unanimous Decision in round 3 (5:00) in the Women's Strawweight bout of UFC Fight Night: Joanna vs Waterson, held Sunday, October 13, 2019 at Amalie Arena, Tampa.

Fight stats

Mackenzie Dern
Amanda Ribas
0
Knockdowns
0
20 of 145
Significant strikes
74 of 206
14%
Sig. strike accuracy
36%
50 of 175
Total strikes
84 of 216
0 of 6
Takedowns
2 of 2
0%
Takedown accuracy
100%
0
Submission attempts
0
0
Reversals
0
0:02
Control time
1:47
Significant strikes by target
16 of 135
Head
40 of 163
3 of 8
Body
21 of 28
1 of 2
Leg
13 of 15
19 of 144
Distance
72 of 203
0 of 0
Clinch
0 of 0
1 of 1
Ground
2 of 3

By round

ROUND 1
0
KD
0
4 of 44
Sig. str.
16 of 57
30 of 70
Total str.
19 of 60
0 of 1
Takedowns
1 of 1
0
Sub. att
0
0:02
Ctrl
1:13
ROUND 2
0
KD
0
9 of 50
Sig. str.
22 of 76
13 of 54
Total str.
25 of 79
0 of 3
Takedowns
1 of 1
0
Sub. att
0
0:00
Ctrl
0:25
ROUND 3
0
KD
0
7 of 51
Sig. str.
36 of 73
7 of 51
Total str.
40 of 77
0 of 2
Takedowns
0 of 0
0
Sub. att
0
0:00
Ctrl
0:09

Judges' Scorecards

Michelle Olney
#DernRibas
1910
2910
3910
Total2730
Tony Weeks
#DernRibas
1910
2910
3910
Total2730
Troy Wincapaw
#DernRibas
1910
2910
3910
Total2730

Media Scores

0
Dern
–
16
Ribas
●30–27 Ribas×14●30–26 Ribas×2
All 16 media scorecards▾

Fan Scorecards

0%
Dern
100%
Ribas
29 fan scorecards submitted
●30–27 Ribas89.7%●30–26 Ribas6.9%●30–25 Ribas3.4%
Fans' round-by-round verdict
R1
100%
Ribas
R2
97%
Ribas
R3
93%
Ribas

Scorecard data via mmadecisions.com

Frequently asked questions

Who won Mackenzie Dern vs Amanda Ribas?

Amanda Ribas defeated Mackenzie Dern by Unanimous Decision in round 3 (5:00) in the Women's Strawweight bout of UFC Fight Night: Joanna vs Waterson, held Sunday, October 13, 2019 at Amalie Arena, Tampa.

What were the judges' scorecards for Mackenzie Dern vs Amanda Ribas?

The judges scored it 30–27, 30–27, 30–27 — Amanda Ribas won the decision.

Referee
Michael Cardoso
Time format
3 Rnd (5-5-5)
Pre-fight comparison▾

Win probability

Mackenzie Dern 50%50% Amanda Ribas

What the model gave each fighter going into the fight, from their pre-fight UFCal Elo ratings. See all Elo ratings

Tale of the Tape

16-5-0
Record
13-7-0
1547
Elo rating
1546
3
Win Streak
0
33
Age
32
5'4"
163 cm
Height
5'4"
163 cm
63"
160 cm
Reach
66"
168 cm
Orthodox
Stance
Orthodox
Women's Strawweight
Weight Class
Women's Strawweight
United States / Brazil
Nationality
Brazil

Striking Profile

3.47
SLpM
4.26
41%
Str. Acc.
39%
3.93
SApM
3.29
51%
Str. Def.
60%

Grappling Profile

0.93
TD Avg.
2.05
18%
TD Acc.
52%
37%
TD Def.
82%
1.10
Sub. Avg.
0.60

Recent form (last 5 fights)

Mackenzie Dern · 3-2
  • W
    Virna Jandiroba
    UFC 321: Aspinall vs GaneSat, Oct 25, 2025
    Unanimous Decision · R5 · 5:00 · Women's Strawweight
  • W
    Amanda Ribas
    UFC Fight Night: Dern vs Ribas 2Sat, Jan 11, 2025
    Submission · R3 · 4:56 · Women's Strawweight
  • W
    Loopy Godinez
    UFC Fight Night: Sandhagen vs NurmagomedovSat, Aug 3, 2024
    Unanimous Decision · R3 · 5:00 · Women's Strawweight
  • L
    Amanda Lemos
    UFC 298: Volkanovski vs TopuriaSat, Feb 17, 2024
    Unanimous Decision · R3 · 5:00 · Women's Strawweight
  • L
    Jessica Andrade
    UFC 295: Procházka vs PereiraSat, Nov 11, 2023
    TKO · R2 · 3:15 · Women's Strawweight
Amanda Ribas · 1-4
  • L
    Tabatha Ricci
    UFC Fight Night: Whittaker vs De RidderSat, Jul 26, 2025
    TKO · R2 · 2:59 · Women's Strawweight
  • L
    Mackenzie Dern
    UFC Fight Night: Dern vs Ribas 2Sat, Jan 11, 2025
    Submission · R3 · 4:56 · Women's Strawweight
  • L
    Rose Namajunas
    UFC Fight Night: Ribas vs NamajunasSat, Mar 23, 2024
    Unanimous Decision · R5 · 5:00 · Women's Flyweight
  • W
    Luana Pinheiro
    UFC Fight Night: Allen vs CraigSat, Nov 18, 2023
    TKO · R3 · 3:53 · Women's Strawweight
  • L
    Maycee Barber
    UFC Fight Night: Emmett vs TopuriaSat, Jun 24, 2023
    TKO · R2 · 3:42 · Women's Flyweight

Career Averages

Based on 16 fights · 13 fights
49.1
Avg sig. strikes
52.8
0.88
Avg takedowns
1.69
3:59
Avg control time
3:18
126
Career high strikes
98
3
Career high TDs
4

Strike Distribution

Mackenzie Dern
Strike target
Amanda Ribas
75%
Head
61%
14%
Body
18%
11%
Leg
21%
Mackenzie Dern
Strike position
Amanda Ribas
73%
Distance
86%
10%
Clinch
5%
17%
Ground
9%