Ultimate Fighting Calendar
UFCUFC 279: Diaz vs Ferguson
Catchweight★ Performance of the Night3 rounds scheduled
WIN
Irene Aldana
MexicoIrene Aldana
15-8-0
RESULT

Irene Aldana def. Macy Chiasson (TKO)

TKO · Round 3 · 2:21
Macy Chiasson
United StatesMacy Chiasson
11-6-0
Saturday, September 10, 2022
T-Mobile Arena, Las Vegas, United States

Irene Aldana defeated Macy Chiasson by TKO in round 3 (2:21) in the Catchweight bout of UFC 279: Diaz vs Ferguson, held Saturday, September 10, 2022 at T-Mobile Arena, Las Vegas.

Fight stats

Irene Aldana
Macy Chiasson
1
Knockdowns
0
37 of 71
Significant strikes
39 of 94
52%
Sig. strike accuracy
41%
51 of 85
Total strikes
72 of 140
0 of 0
Takedowns
3 of 8
-
Takedown accuracy
38%
2
Submission attempts
0
0
Reversals
0
1:00
Control time
3:28
Significant strikes by target
24 of 57
Head
26 of 80
5 of 5
Body
7 of 8
8 of 9
Leg
6 of 6
19 of 51
Distance
31 of 75
3 of 3
Clinch
0 of 0
15 of 17
Ground
8 of 19

By round

ROUND 1
0
KD
0
25 of 47
Sig. str.
13 of 33
29 of 51
Total str.
13 of 33
0 of 0
Takedowns
0 of 3
2
Sub. att
0
0:55
Ctrl
0:17
ROUND 2
0
KD
0
9 of 12
Sig. str.
17 of 39
16 of 19
Total str.
50 of 85
0 of 0
Takedowns
2 of 3
0
Sub. att
0
0:05
Ctrl
2:51
ROUND 3
1
KD
0
3 of 12
Sig. str.
9 of 22
6 of 15
Total str.
9 of 22
0 of 0
Takedowns
1 of 2
0
Sub. att
0
0:00
Ctrl
0:20

Betting Odds

Irene Aldana
-197
66% implied win probability
Open: -162Best: -176
Macy Chiasson
+176
36% implied win probability
Open: +131Best: +500

Average moneyline across 13 sportsbooks.

SportsbookIrene AldanaMacy Chiasson
BetAnything-190+150
BetOnline-176+151
BetUS-180+150
Betway-200+140
Bovada-185+150
Cloudbet-176+161
DraftKings-900+500
FanDuel-178+150
MyBookie-188+152
Pinnacle-181+158
sportsbetio-192+130
sports-interaction-190+150
unibet-182+145

Odds are for information only. · Odds data: fightodds.io

Frequently asked questions

Who won Irene Aldana vs Macy Chiasson?

Irene Aldana defeated Macy Chiasson by TKO in round 3 (2:21) in the Catchweight bout of UFC 279: Diaz vs Ferguson, held Saturday, September 10, 2022 at T-Mobile Arena, Las Vegas.

Referee
Jason Herzog
Time format
3 Rnd (5-5-5)
Pre-fight comparison▾

Win probability

Irene Aldana 44%56% Macy Chiasson

What the model gave each fighter going into the fight, from their pre-fight UFCalendar Power Index ratings. See the full Power Index

Fight DNA

Head to head

UFCalendar's style model · Women's Bantamweight roster (52 fighters)

Irene Aldana
Complete Fighter
2 edges
Macy Chiasson
Grappling Specialist
9 edges
PowerSpeedPrecisionDurabilityEngineWrestlingGround

Radar scaled to this matchup · bars show the gap

Style shape

62Power90
75Speed91
81Precision89
91Durability91
95Engine93
54Wrestling90
61Ground94

Biggest edge Macy Chiasson, Ground striking +45

Attribute by attribute

Irene Aldana is on the left of every row, Macy Chiasson on the right.
49Punch power91
75Kick power89
77Punch speed92
72Kick speed90
81Accuracy89
54Takedowns90
49Ground striking94
73Submissions93
98Chin93
83Body strength89
95Cardio93

Attributes are rated 0-100 by UFCalendar's style model.

Tale of the Tape

15-8-0
Record
11-6-0
1713
Power Index rating
1753
0
Win Streak
0
38
Age
35
5'9"
175 cm
Height
5'11"
180 cm
68"
173 cm
Reach
72"
183 cm
Orthodox
Stance
Orthodox
Catchweight
Weight Class
Catchweight
Mexico
Nationality
United States

Striking Profile

5.19
SLpM
3.21
39%
Str. Acc.
46%
6.64
SApM
2.76
56%
Str. Def.
44%

Grappling Profile

0.15
TD Avg.
1.87
50%
TD Acc.
35%
77%
TD Def.
62%
0.20
Sub. Avg.
0.40

Recent form (last 5 fights)

Irene Aldana · 3-2
  • L
    Norma Dumont
    UFC 306: Riyadh Season Noche UFC O'Malley vs Dvalishvili · Sep 14, 2024
    Unanimous Decision · R3 · 5:00 · Women's Bantamweight
  • W
    Karol Rosa
    UFC 296: Edwards vs Covington · Dec 16, 2023
    Unanimous Decision · R3 · 5:00 · Women's Bantamweight
  • L
    Amanda Nunes
    UFC 289: Nunes vs Aldana · Jun 10, 2023
    Unanimous Decision · R5 · 5:00 · Women's Bantamweight
  • W
    Macy Chiasson
    UFC 279: Diaz vs Ferguson · Sep 10, 2022
    TKO · R3 · 2:21 · Catchweight
  • W
    Yana Santos
    UFC 264: Poirier vs McGregor 3 · Jul 10, 2021
    TKO · R1 · 4:35 · Women's Bantamweight
Macy Chiasson · 2-3
  • L
    Ailin Perez
    UFC Fight Night: Moreno vs Kavanagh · Feb 28, 2026
    Unanimous Decision · R3 · 5:00 · Women's Bantamweight
  • L
    Yana Santos
    UFC 320: Ankalaev vs Pereira 2 · Oct 4, 2025
    Unanimous Decision · R3 · 5:00 · Women's Bantamweight
  • L
    Ketlen Vieira
    UFC Fight Night: Gamrot vs Klein · May 31, 2025
    Unanimous Decision · R3 · 5:00 · Women's Featherweight
  • W
    Mayra Bueno Silva
    UFC 303: Pereira vs Procházka 2 · Jun 29, 2024
    TKO · R2 · 1:58 · Women's Bantamweight
  • W
    Pannie Kianzad
    UFC Fight Night: Tuivasa vs Tybura · Mar 16, 2024
    Submission · R1 · 3:54 · Women's Bantamweight

Career Averages

Based on 14 fights · 14 fights
76.1
Avg sig. strikes
35.0
0.14
Avg takedowns
1.36
0:19
Avg control time
3:44
145
Career high strikes
86
1
Career high TDs
6

Strike Distribution

Irene Aldana
Strike target
Macy Chiasson
70%
Head
55%
14%
Body
35%
17%
Leg
10%
Irene Aldana
Strike position
Macy Chiasson
89%
Distance
48%
5%
Clinch
31%
6%
Ground
21%