Ultimate Fighting Calendar
Welterweight5 rounds scheduled
RESULT

Kamaru Usman def. Demian Maia (Unanimous Decision)

Unanimous Decision · Round 5 · 5:00
WIN
Kamaru Usman
The Nigerian Nightmare
21-5-0
Saturday, May 19, 2018
Movistar Arena, Santiago, Chile

Kamaru Usman defeated Demian Maia by Unanimous Decision in round 5 (5:00) in the Welterweight main event of UFC Fight Night: Maia vs Usman, held Saturday, May 19, 2018 at Movistar Arena, Santiago. The judges scored it 49-46, 49-46, 50-45, Kamaru Usman won the decision.

Fight stats

Demian Maia
Kamaru Usman
0
Knockdowns
1
27 of 87
Significant strikes
66 of 209
31%
Sig. strike accuracy
32%
33 of 94
Total strikes
97 of 244
0 of 15
Takedowns
0 of 0
0%
Takedown accuracy
-
0
Submission attempts
0
0
Reversals
0
2:01
Control time
4:18
Significant strikes by target
26 of 85
Head
49 of 181
1 of 2
Body
4 of 12
0 of 0
Leg
13 of 16
25 of 85
Distance
55 of 187
1 of 1
Clinch
1 of 5
1 of 1
Ground
10 of 17

By round

ROUND 1
0
KD
0
5 of 12
Sig. str.
12 of 29
10 of 17
Total str.
13 of 30
0 of 1
Takedowns
0 of 0
0
Sub. att
0
2:01
Ctrl
0:00
ROUND 2
0
KD
0
7 of 18
Sig. str.
12 of 47
8 of 20
Total str.
16 of 52
0 of 4
Takedowns
0 of 0
0
Sub. att
0
0:00
Ctrl
0:37
ROUND 3
0
KD
0
4 of 25
Sig. str.
13 of 53
4 of 25
Total str.
16 of 56
0 of 4
Takedowns
0 of 0
0
Sub. att
0
0:00
Ctrl
0:26
ROUND 4
0
KD
1
4 of 9
Sig. str.
16 of 42
4 of 9
Total str.
32 of 58
0 of 3
Takedowns
0 of 0
0
Sub. att
0
0:00
Ctrl
1:31
ROUND 5
0
KD
0
7 of 23
Sig. str.
13 of 38
7 of 23
Total str.
20 of 48
0 of 3
Takedowns
0 of 0
0
Sub. att
0
0:00
Ctrl
1:44

Judges' Scorecards

#MaiaUsman
1--
2--
3--
4--
5--
Total4649
#MaiaUsman
1--
2--
3--
4--
5--
Total4649
#MaiaUsman
1910
2910
3910
4910
5910
Total4550

Media Scores

0
Maia
-
18
Usman
49-46 Usman×1549-45 Usman×249-44 Usman
All 18 media scorecards

Fan Scorecards

3%
Maia
97%
Usman
67 fan scorecards submitted
49-46 Usman56.7%50-45 Usman13.4%49-45 Usman11.9%49-47 Usman3%
Fans' round-by-round verdict
R1
79%
Maia
R2
90%
Usman
R3
93%
Usman
R4
76%
Usman
R5
91%
Usman

Scorecard data via mmadecisions.com

Betting Odds

Demian Maia
+386
21% implied win probability
Open: +297Best: +435
Kamaru Usman
-529
84% implied win probability
Open: -390Best: -495

Average moneyline across 6 sportsbooks.

Line Movement

Demian MaiaKamaru Usman
20%30%40%50%60%70%80%90%May 1May 7May 14May 20May 1, 8:24 AM UTC · Demian Maia +300 (25%)May 1, 9:54 AM UTC · Demian Maia +303 (25%)May 3, 5:18 AM UTC · Demian Maia +303 (25%)May 4, 1:00 AM UTC · Demian Maia +308 (25%)May 5, 12:51 PM UTC · Demian Maia +312 (24%)May 13, 3:27 PM UTC · Demian Maia +310 (24%)May 16, 5:54 AM UTC · Demian Maia +307 (25%)May 16, 8:45 AM UTC · Demian Maia +299 (25%)May 16, 10:24 AM UTC · Demian Maia +295 (25%)May 16, 2:15 PM UTC · Demian Maia +292 (26%)May 17, 12:54 AM UTC · Demian Maia +286 (26%)May 17, 1:15 AM UTC · Demian Maia +288 (26%)May 17, 1:33 AM UTC · Demian Maia +293 (25%)May 17, 1:36 AM UTC · Demian Maia +307 (25%)May 17, 1:42 AM UTC · Demian Maia +307 (25%)May 17, 2:30 AM UTC · Demian Maia +313 (24%)May 17, 2:39 AM UTC · Demian Maia +313 (24%)May 17, 4:45 AM UTC · Demian Maia +317 (24%)May 17, 4:54 AM UTC · Demian Maia +317 (24%)May 17, 5:03 AM UTC · Demian Maia +321 (24%)May 17, 5:54 AM UTC · Demian Maia +331 (23%)May 17, 6:06 AM UTC · Demian Maia +337 (23%)May 17, 6:09 AM UTC · Demian Maia +353 (22%)May 17, 6:12 AM UTC · Demian Maia +364 (22%)May 17, 6:24 AM UTC · Demian Maia +376 (21%)May 17, 6:27 AM UTC · Demian Maia +376 (21%)May 17, 8:39 AM UTC · Demian Maia +389 (20%)May 17, 10:48 AM UTC · Demian Maia +393 (20%)May 17, 11:39 AM UTC · Demian Maia +394 (20%)May 17, 7:39 PM UTC · Demian Maia +393 (20%)May 18, 12:27 AM UTC · Demian Maia +395 (20%)May 18, 2:18 AM UTC · Demian Maia +406 (20%)May 18, 2:39 AM UTC · Demian Maia +408 (20%)May 18, 3:30 AM UTC · Demian Maia +411 (20%)May 18, 4:27 AM UTC · Demian Maia +416 (19%)May 18, 6:12 AM UTC · Demian Maia +424 (19%)May 18, 8:27 AM UTC · Demian Maia +433 (19%)May 18, 8:36 AM UTC · Demian Maia +436 (19%)May 18, 10:00 AM UTC · Demian Maia +435 (19%)May 18, 11:27 AM UTC · Demian Maia +436 (19%)May 18, 2:51 PM UTC · Demian Maia +451 (18%)May 18, 3:18 PM UTC · Demian Maia +478 (17%)May 18, 8:15 PM UTC · Demian Maia +482 (17%)May 19, 1:27 AM UTC · Demian Maia +476 (17%)May 19, 2:00 AM UTC · Demian Maia +469 (18%)May 19, 2:27 AM UTC · Demian Maia +468 (18%)May 19, 2:48 AM UTC · Demian Maia +466 (18%)May 19, 5:00 AM UTC · Demian Maia +465 (18%)May 19, 5:30 AM UTC · Demian Maia +458 (18%)May 19, 6:48 AM UTC · Demian Maia +457 (18%)May 19, 7:30 AM UTC · Demian Maia +457 (18%)May 19, 8:00 AM UTC · Demian Maia +462 (18%)May 19, 10:09 AM UTC · Demian Maia +460 (18%)May 19, 11:45 AM UTC · Demian Maia +460 (18%)May 19, 3:18 PM UTC · Demian Maia +457 (18%)May 19, 6:30 PM UTC · Demian Maia +456 (18%)May 19, 7:30 PM UTC · Demian Maia +456 (18%)May 19, 8:09 PM UTC · Demian Maia +456 (18%)May 19, 10:09 PM UTC · Demian Maia +455 (18%)May 19, 10:39 PM UTC · Demian Maia +455 (18%)May 19, 11:48 PM UTC · Demian Maia +450 (18%)May 20, 1:18 AM UTC · Demian Maia +450 (18%)May 20, 2:48 AM UTC · Demian Maia +448 (18%)May 20, 3:39 AM UTC · Demian Maia +448 (18%)May 20, 5:45 AM UTC · Demian Maia +447 (18%)May 20, 6:09 AM UTC · Demian Maia +444 (18%)May 20, 8:24 AM UTC · Demian Maia +439 (19%)May 20, 8:36 AM UTC · Demian Maia +438 (19%)May 20, 8:39 AM UTC · Demian Maia +435 (19%)May 20, 9:18 AM UTC · Demian Maia +434 (19%)May 20, 9:33 AM UTC · Demian Maia +427 (19%)May 20, 10:36 AM UTC · Demian Maia +425 (19%)May 20, 10:57 AM UTC · Demian Maia +425 (19%)May 20, 11:06 AM UTC · Demian Maia +408 (20%)May 20, 11:18 AM UTC · Demian Maia +406 (20%)May 20, 11:24 AM UTC · Demian Maia +391 (20%)May 20, 11:27 AM UTC · Demian Maia +386 (21%)May 20, 11:30 AM UTC · Demian Maia +386 (21%)May 1, 8:24 AM UTC · Kamaru Usman -400 (80%)May 1, 9:54 AM UTC · Kamaru Usman -378 (79%)May 3, 5:18 AM UTC · Kamaru Usman -378 (79%)May 4, 1:00 AM UTC · Kamaru Usman -385 (79%)May 5, 12:51 PM UTC · Kamaru Usman -392 (80%)May 13, 3:27 PM UTC · Kamaru Usman -414 (81%)May 16, 5:54 AM UTC · Kamaru Usman -398 (80%)May 16, 8:45 AM UTC · Kamaru Usman -387 (79%)May 16, 10:24 AM UTC · Kamaru Usman -383 (79%)May 16, 2:15 PM UTC · Kamaru Usman -372 (79%)May 17, 12:54 AM UTC · Kamaru Usman -365 (78%)May 17, 1:15 AM UTC · Kamaru Usman -369 (79%)May 17, 1:33 AM UTC · Kamaru Usman -381 (79%)May 17, 1:36 AM UTC · Kamaru Usman -403 (80%)May 17, 1:42 AM UTC · Kamaru Usman -403 (80%)May 17, 2:30 AM UTC · Kamaru Usman -413 (81%)May 17, 2:39 AM UTC · Kamaru Usman -413 (81%)May 17, 4:45 AM UTC · Kamaru Usman -420 (81%)May 17, 4:54 AM UTC · Kamaru Usman -420 (81%)May 17, 5:03 AM UTC · Kamaru Usman -426 (81%)May 17, 5:54 AM UTC · Kamaru Usman -443 (82%)May 17, 6:06 AM UTC · Kamaru Usman -450 (82%)May 17, 6:09 AM UTC · Kamaru Usman -466 (82%)May 17, 6:12 AM UTC · Kamaru Usman -481 (83%)May 17, 6:24 AM UTC · Kamaru Usman -501 (83%)May 17, 6:27 AM UTC · Kamaru Usman -501 (83%)May 17, 8:39 AM UTC · Kamaru Usman -532 (84%)May 17, 10:48 AM UTC · Kamaru Usman -537 (84%)May 17, 11:39 AM UTC · Kamaru Usman -540 (84%)May 17, 7:39 PM UTC · Kamaru Usman -538 (84%)May 18, 12:27 AM UTC · Kamaru Usman -545 (84%)May 18, 2:18 AM UTC · Kamaru Usman -572 (85%)May 18, 2:39 AM UTC · Kamaru Usman -573 (85%)May 18, 3:30 AM UTC · Kamaru Usman -580 (85%)May 18, 4:27 AM UTC · Kamaru Usman -587 (85%)May 18, 6:12 AM UTC · Kamaru Usman -601 (86%)May 18, 8:27 AM UTC · Kamaru Usman -612 (86%)May 18, 8:36 AM UTC · Kamaru Usman -615 (86%)May 18, 10:00 AM UTC · Kamaru Usman -615 (86%)May 18, 11:27 AM UTC · Kamaru Usman -617 (86%)May 18, 2:51 PM UTC · Kamaru Usman -646 (87%)May 18, 3:18 PM UTC · Kamaru Usman -721 (88%)May 18, 8:15 PM UTC · Kamaru Usman -739 (88%)May 19, 1:27 AM UTC · Kamaru Usman -728 (88%)May 19, 2:00 AM UTC · Kamaru Usman -719 (88%)May 19, 2:27 AM UTC · Kamaru Usman -716 (88%)May 19, 2:48 AM UTC · Kamaru Usman -713 (88%)May 19, 5:00 AM UTC · Kamaru Usman -709 (88%)May 19, 5:30 AM UTC · Kamaru Usman -686 (87%)May 19, 6:48 AM UTC · Kamaru Usman -683 (87%)May 19, 7:30 AM UTC · Kamaru Usman -682 (87%)May 19, 8:00 AM UTC · Kamaru Usman -675 (87%)May 19, 10:09 AM UTC · Kamaru Usman -671 (87%)May 19, 11:45 AM UTC · Kamaru Usman -673 (87%)May 19, 3:18 PM UTC · Kamaru Usman -664 (87%)May 19, 6:30 PM UTC · Kamaru Usman -663 (87%)May 19, 7:30 PM UTC · Kamaru Usman -663 (87%)May 19, 8:09 PM UTC · Kamaru Usman -662 (87%)May 19, 10:09 PM UTC · Kamaru Usman -661 (87%)May 19, 10:39 PM UTC · Kamaru Usman -660 (87%)May 19, 11:48 PM UTC · Kamaru Usman -646 (87%)May 20, 1:18 AM UTC · Kamaru Usman -645 (87%)May 20, 2:48 AM UTC · Kamaru Usman -642 (87%)May 20, 3:39 AM UTC · Kamaru Usman -642 (87%)May 20, 5:45 AM UTC · Kamaru Usman -639 (86%)May 20, 6:09 AM UTC · Kamaru Usman -635 (86%)May 20, 8:24 AM UTC · Kamaru Usman -627 (86%)May 20, 8:36 AM UTC · Kamaru Usman -624 (86%)May 20, 8:39 AM UTC · Kamaru Usman -618 (86%)May 20, 9:18 AM UTC · Kamaru Usman -615 (86%)May 20, 9:33 AM UTC · Kamaru Usman -604 (86%)May 20, 10:36 AM UTC · Kamaru Usman -601 (86%)May 20, 10:57 AM UTC · Kamaru Usman -601 (86%)May 20, 11:06 AM UTC · Kamaru Usman -566 (85%)May 20, 11:18 AM UTC · Kamaru Usman -563 (85%)May 20, 11:24 AM UTC · Kamaru Usman -539 (84%)May 20, 11:27 AM UTC · Kamaru Usman -529 (84%)May 20, 11:30 AM UTC · Kamaru Usman -529 (84%)+386-529
SportsbookDemian MaiaKamaru Usman
BetOnline+410-525
Bookmaker+385-525
Bovada+350-500
Pinnacle+390-495
sports-interaction+355-510
unibet+435-670

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

Frequently asked questions

Who won Demian Maia vs Kamaru Usman?

Kamaru Usman defeated Demian Maia by Unanimous Decision in round 5 (5:00) in the Welterweight main event of UFC Fight Night: Maia vs Usman, held Saturday, May 19, 2018 at Movistar Arena, Santiago. The judges scored it 49-46, 49-46, 50-45, Kamaru Usman won the decision.

What were the judges' scorecards for Demian Maia vs Kamaru Usman?

The judges scored it 49-46, 49-46, 50-45, Kamaru Usman won the decision.

Was Demian Maia vs Kamaru Usman a robbery?

Public scoring backed the judges: 97% of 67 fan cards scored it for Kamaru Usman; 100% of 18 media scores picked Kamaru Usman.

Full robbery index
Referee
Leon Roberts
Time format
5 Rnd (5-5-5-5-5)
Pre-fight comparison

Win probability

Demian Maia 50%50% Kamaru Usman

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 · Welterweight roster (258 fighters)

Demian Maia
Grappling Specialist
2 edges
Kamaru Usman
Pressure Wrestler
7 edges
PowerSpeedPrecisionDurabilityEngineWrestlingGround

Radar scaled to this matchup · bars show the gap

Style shape

49Power91
54Speed92
65Precision91
83Durability94
94Engine98
97Wrestling97
98Ground90

Biggest edge Kamaru Usman, Punch power +47

Attribute by attribute

Demian Maia is on the left of every row, Kamaru Usman on the right.
46Punch power93
52Kick power88
54Punch speed93
54Kick speed90
65Accuracy91
97Takedowns97
98Ground striking95
97Submissions84
95Chin95
71Body strength92
94Cardio98

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

Tale of the Tape

28-11-0
Record
21-5-0
1882
Power Index rating
1880
0
Win Streak
0
48
Age
39
6'1"
185 cm
Height
6'0"
183 cm
72"
183 cm
Reach
76"
193 cm
Southpaw
Stance
Switch
Welterweight
Weight Class
Welterweight
Brazil
Nationality
United States

Striking Profile

1.80
SLpM
4.13
43%
Str. Acc.
50%
2.07
SApM
2.86
63%
Str. Def.
54%

Grappling Profile

2.49
TD Avg.
2.60
24%
TD Acc.
42%
61%
TD Def.
90%
1.00
Sub. Avg.
0.10

Recent form (last 5 fights)

Demian Maia · 3-2
  • W
    Polaris 20 · Jun 25, 2022
    Decision
  • W
    BJJ Stars 8 · Apr 30, 2022
    Submission
  • L
    UFC 263: Adesanya vs Vettori 2 · Jun 12, 2021
    Unanimous Decision · R3 · 5:00 · Welterweight
  • L
    UFC Fight Night: Lee vs Oliveira · Mar 14, 2020
    TKO · R1 · 2:34 · Welterweight
  • W
    UFC Fight Night: Maia vs Askren · Oct 26, 2019
    Submission · R3 · 3:54 · Welterweight
Kamaru Usman · 1-4
  • L
    UFC Fight Night: Du Plessis vs Usman · Jul 18, 2026
    Unanimous Decision · R5 · 5:00 · Middleweight
  • W
    UFC Fight Night: Usman vs Buckley · Jun 14, 2025
    Unanimous Decision · R5 · 5:00 · Welterweight
  • L
    UFC 294: Makhachev vs Volkanovski 2 · Oct 21, 2023
    Majority Decision · R3 · 5:00 · Middleweight
  • L
    UFC 286: Edwards vs Usman 3 · Mar 18, 2023
    Majority Decision · R5 · 5:00 · Welterweight
  • L
    UFC 278: Usman vs Edwards 2 · Aug 20, 2022
    TKO · R5 · 4:04 · Welterweight

Career Averages

Based on 33 fights · 20 fights
22.4
Avg sig. strikes
75.2
2.06
Avg takedowns
3.15
4:42
Avg control time
7:22
69
Career high strikes
175
7
Career high TDs
12

Strike Distribution

Demian Maia
Strike target
Kamaru Usman
80%
Head
63%
15%
Body
29%
5%
Leg
8%
Demian Maia
Strike position
Kamaru Usman
50%
Distance
60%
12%
Clinch
16%
38%
Ground
24%