Ultimate Fighting Calendar
UFCUFC 230: Cormier vs Lewis
Middleweight3 rounds scheduled
WIN
Karl Roberson
United StatesKarl Roberson
“Baby K”
9-6-0
RESULT

Karl Roberson def. Jack Marshman (Unanimous Decision)

Unanimous Decision · Round 3 · 5:00
Jack Marshman
WalesJack Marshman
“The Hammer”
23-10-0
Saturday, November 3, 2018
Madison Square Garden, New York, United States

Karl Roberson defeated Jack Marshman by Unanimous Decision in round 3 (5:00) in the Middleweight bout of UFC 230: Cormier vs Lewis, held Saturday, November 3, 2018 at Madison Square Garden, New York. The judges scored it 30-27, 30-26, 30-26, Karl Roberson won the decision.

Fight stats

Karl Roberson
Jack Marshman
0
Knockdowns
0
34 of 71
Significant strikes
21 of 98
48%
Sig. strike accuracy
21%
90 of 135
Total strikes
30 of 108
2 of 3
Takedowns
0 of 0
67%
Takedown accuracy
-
0
Submission attempts
0
0
Reversals
0
5:06
Control time
0:00
Significant strikes by target
24 of 58
Head
12 of 80
6 of 8
Body
3 of 5
4 of 5
Leg
6 of 13
24 of 57
Distance
19 of 95
5 of 7
Clinch
2 of 3
5 of 7
Ground
0 of 0

By round

ROUND 1
0
KD
0
15 of 32
Sig. str.
13 of 52
15 of 32
Total str.
16 of 55
0 of 1
Takedowns
0 of 0
0
Sub. att
0
0:18
Ctrl
0:00
ROUND 2
0
KD
0
8 of 20
Sig. str.
8 of 31
35 of 51
Total str.
10 of 33
1 of 1
Takedowns
0 of 0
0
Sub. att
0
2:15
Ctrl
0:00
ROUND 3
0
KD
0
11 of 19
Sig. str.
0 of 15
40 of 52
Total str.
4 of 20
1 of 1
Takedowns
0 of 0
0
Sub. att
0
2:33
Ctrl
0:00

Judges' Scorecards

Douglas Crosby
#RobersonMarshman
1109
2109
3109
Total3027
Sal D'Amato
#RobersonMarshman
1109
2109
3108
Total3026
Chris Lee
#RobersonMarshman
1109
2109
3108
Total3026

Media Scores

19
Roberson
-
0
Marshman
●30-27 Roberson×17●30-26 Roberson×2
All 19 media scorecards▾

Fan Scorecards

100%
Roberson
0%
Marshman
14 fan scorecards submitted
●30-27 Roberson85.7%●30-26 Roberson14.3%
Fans' round-by-round verdict
R1
93%
Roberson
R2
100%
Roberson
R3
93%
Roberson

Scorecard data via mmadecisions.com

Betting Odds

Karl Roberson
-315
76% implied win probability
Open: -196Best: -278
Jack Marshman
+242
29% implied win probability
Open: +159Best: +295

Average moneyline across 4 sportsbooks.

Line Movement

Karl RobersonJack Marshman
30%40%50%60%70%80%Oct 16Oct 22Oct 29Nov 4Oct 16, 3:54 AM UTC · Karl Roberson -160 (62%)Oct 16, 6:33 PM UTC · Karl Roberson -163 (62%)Oct 18, 7:03 AM UTC · Karl Roberson -178 (64%)Oct 21, 5:18 AM UTC · Karl Roberson -184 (65%)Oct 21, 7:39 AM UTC · Karl Roberson -192 (66%)Oct 21, 4:09 PM UTC · Karl Roberson -205 (67%)Oct 22, 4:03 AM UTC · Karl Roberson -216 (68%)Oct 22, 4:09 AM UTC · Karl Roberson -230 (70%)Oct 22, 4:12 AM UTC · Karl Roberson -217 (68%)Oct 22, 4:15 AM UTC · Karl Roberson -237 (70%)Oct 22, 4:18 AM UTC · Karl Roberson -244 (71%)Oct 22, 4:54 AM UTC · Karl Roberson -272 (73%)Oct 26, 4:48 AM UTC · Karl Roberson -277 (73%)Oct 26, 10:48 AM UTC · Karl Roberson -275 (73%)Oct 30, 3:57 AM UTC · Karl Roberson -289 (74%)Oct 30, 6:27 PM UTC · Karl Roberson -287 (74%)Oct 30, 7:33 PM UTC · Karl Roberson -283 (74%)Nov 1, 10:27 PM UTC · Karl Roberson -283 (74%)Nov 2, 8:12 PM UTC · Karl Roberson -290 (74%)Nov 4, 1:48 AM UTC · Karl Roberson -301 (75%)Nov 4, 1:51 AM UTC · Karl Roberson -294 (75%)Nov 4, 2:00 AM UTC · Karl Roberson -301 (75%)Nov 4, 2:03 AM UTC · Karl Roberson -294 (75%)Nov 4, 2:06 AM UTC · Karl Roberson -301 (75%)Nov 4, 2:12 AM UTC · Karl Roberson -294 (75%)Nov 4, 2:15 AM UTC · Karl Roberson -301 (75%)Nov 4, 3:51 AM UTC · Karl Roberson -313 (76%)Nov 4, 5:48 AM UTC · Karl Roberson -317 (76%)Nov 4, 10:36 AM UTC · Karl Roberson -315 (76%)Oct 16, 3:54 AM UTC · Jack Marshman +130 (43%)Oct 16, 6:33 PM UTC · Jack Marshman +127 (44%)Oct 18, 7:03 AM UTC · Jack Marshman +140 (42%)Oct 21, 5:18 AM UTC · Jack Marshman +145 (41%)Oct 21, 7:39 AM UTC · Jack Marshman +152 (40%)Oct 21, 4:09 PM UTC · Jack Marshman +160 (38%)Oct 22, 4:03 AM UTC · Jack Marshman +175 (36%)Oct 22, 4:09 AM UTC · Jack Marshman +183 (35%)Oct 22, 4:12 AM UTC · Jack Marshman +168 (37%)Oct 22, 4:15 AM UTC · Jack Marshman +190 (34%)Oct 22, 4:18 AM UTC · Jack Marshman +198 (34%)Oct 22, 4:54 AM UTC · Jack Marshman +215 (32%)Oct 26, 4:48 AM UTC · Jack Marshman +215 (32%)Oct 26, 10:48 AM UTC · Jack Marshman +210 (32%)Oct 30, 3:57 AM UTC · Jack Marshman +216 (32%)Oct 30, 6:27 PM UTC · Jack Marshman +217 (32%)Oct 30, 7:33 PM UTC · Jack Marshman +215 (32%)Nov 1, 10:27 PM UTC · Jack Marshman +216 (32%)Nov 2, 8:12 PM UTC · Jack Marshman +221 (31%)Nov 4, 1:48 AM UTC · Jack Marshman +230 (30%)Nov 4, 1:51 AM UTC · Jack Marshman +228 (30%)Nov 4, 2:00 AM UTC · Jack Marshman +230 (30%)Nov 4, 2:03 AM UTC · Jack Marshman +228 (30%)Nov 4, 2:06 AM UTC · Jack Marshman +233 (30%)Nov 4, 2:12 AM UTC · Jack Marshman +228 (30%)Nov 4, 2:15 AM UTC · Jack Marshman +233 (30%)Nov 4, 3:51 AM UTC · Jack Marshman +241 (29%)Nov 4, 5:48 AM UTC · Jack Marshman +244 (29%)Nov 4, 10:36 AM UTC · Jack Marshman +242 (29%)-315+242
SportsbookKarl RobersonJack Marshman
Bookmaker-350+280
Bovada-350+265
sports-interaction-430+295
unibet-278+210

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

Frequently asked questions

Who won Karl Roberson vs Jack Marshman?

Karl Roberson defeated Jack Marshman by Unanimous Decision in round 3 (5:00) in the Middleweight bout of UFC 230: Cormier vs Lewis, held Saturday, November 3, 2018 at Madison Square Garden, New York. The judges scored it 30-27, 30-26, 30-26, Karl Roberson won the decision.

What were the judges' scorecards for Karl Roberson vs Jack Marshman?

The judges scored it 30-27, 30-26, 30-26, Karl Roberson won the decision.

Was Karl Roberson vs Jack Marshman a robbery?

Public scoring backed the judges: 100% of 19 media scores picked Karl Roberson.

Full robbery index →
Referee
Yves Lavigne
Time format
3 Rnd (5-5-5)
Pre-fight comparison▾

Win probability

Karl Roberson 51%49% Jack Marshman

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 · Middleweight roster (229 fighters)

Karl Roberson
Complete Fighter
6 edges
Jack Marshman
Complete Fighter
5 edges
PowerSpeedPrecisionDurabilityEngineWrestlingGround

Radar scaled to this matchup · bars show the gap

Style shape

87Power83
79Speed75
84Precision59
74Durability86
65Engine86
72Wrestling53
95Ground53

Biggest edge Karl Roberson, Submissions +52

Attribute by attribute

Karl Roberson is on the left of every row, Jack Marshman on the right.
93Punch power95
80Kick power70
78Punch speed84
79Kick speed66
84Accuracy59
72Takedowns53
96Ground striking64
94Submissions42
65Chin80
83Body strength91
65Cardio86

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

Tale of the Tape

9-6-0
Record
23-10-0
1722
Power Index rating
1717
0
Win Streak
0
35
Age
36
6'1"
185 cm
Height
6'0"
183 cm
74"
188 cm
Reach
73"
185 cm
Southpaw
Stance
Orthodox
Middleweight
Weight Class
Middleweight
United States
Nationality
Wales

Striking Profile

2.57
SLpM
2.74
51%
Str. Acc.
25%
2.42
SApM
4.19
57%
Str. Def.
56%

Grappling Profile

0.72
TD Avg.
0.00
40%
TD Acc.
0%
40%
TD Def.
20%
0.50
Sub. Avg.
0.00

Recent form (last 5 fights)

Karl Roberson · 0-5
  • L
    Oluwale Bamgbose
    BKFC 82: Perry vs. Stephens · Oct 4, 2025
    TKO · R2 · 0:58
  • L
    Handesson Ferreira
    Gamebred Bareknuckle MMA · Mar 2, 2024
    Unanimous Decision
  • L
    Kennedy Nzechukwu
    UFC Fight Night: Dos Anjos vs Fiziev · Jul 9, 2022
    TKO · R3 · 2:19 · Light Heavyweight
  • L
    Khalil Rountree Jr.
    UFC Fight Night: Santos vs Ankalaev · Mar 12, 2022
    TKO · R2 · 0:25 · Light Heavyweight
  • L
    Brendan Allen
    UFC 261: Usman vs Masvidal 2 · Apr 24, 2021
    Submission · R1 · 4:55 · Middleweight
Jack Marshman · 1-4
  • L
    Danny Mitchell
    BKB 54: Mayhem In Manchester · May 16, 2026
    TKO · R1 · 0:39
  • L
    Callum Jones
    Undeniable Fight Night 3 · Mar 14, 2026
    Unanimous Decision
  • W
    Paul Hilz
    BKB 49: Dance of the Dragons · Dec 5, 2025
    TKO
  • L
    Daniel Lerwell
    BKB 45: Connelly vs. Reffel · Sep 6, 2025
    TKO
  • L
    Cub Hawkins
    BKB 39: Brawl at the Beach · Apr 4, 2025
    Unanimous Decision

Career Averages

Based on 10 fights · 8 fights
20.8
Avg sig. strikes
28.0
0.40
Avg takedowns
0.00
1:27
Avg control time
0:02
50
Career high strikes
75
2
Career high TDs
0

Strike Distribution

Karl Roberson
Strike target
Jack Marshman
61%
Head
64%
18%
Body
22%
21%
Leg
13%
Karl Roberson
Strike position
Jack Marshman
59%
Distance
93%
16%
Clinch
2%
25%
Ground
4%