UFC Fight Night: McGregor vs Siver
Boston, USA
18 Jan 2015
Featherweight
VS
84%
McGregor
16%
Siver
Win Probability
KO/TKO
Round 2 · 1:54
Conor
Conor McGregor
"The Notorious"
22 – 6
5'9"74" reachSouthpaw37 yrs2-fight slideKnockout Artist
CFR 74
DS
Dennis Siver
23 – 11
Well-Rounded47 yrsOrthodox70" reach5'6"
CFR 14

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: McGregor

McGregor is a strong favourite at 84% win probability per the CFR ratings. The data points decisively in one direction.

Key angles

The CFR gap of 60 points suggests a clear performance difference on paper.

McGregor has beaten significantly higher-quality opposition — a QoV edge of 30 points.

McGregor has the striking edge in both volume and accuracy.

Risk flags

McGregor's chin rating of 52 flags durability concerns based on KO history.

Siver has a chin rating of 4 — a potential KO vulnerability.

McGregor
Siver
Physical Matchup
Height · Reach · Age · Stance
5'9"+
Height
5'6"
74"+
Reach
70"
37+
Age
47
Southpaw
Stance
Orthodox
McGregor
Siver
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
74.4
14.3
68.9
Performance Avg
46.1
67
Quality of Victory
37
100
Momentum Score
43
McGregor
Siver
Striking
Significant strikes per minute & accuracy
2.0
1.5
56%
Strike Accuracy
34%
9.4
Striking Style Score (/10)
3.7
8 KOs
KO Finishes
3 KOs
Strike targetStrike target
20
Head
1
1
Body
1
0
Leg
3
RangeRange
14Distance5
0Clinch0
7Ground0
McGregor
Siver
Grappling
Takedowns, submissions & wrestling
—
—
—
Sub Attempts / fight
0.1
0.5
Grappling Style Score (/10)
2.7
0.3
Wrestling Style Score (/10)
1.9
0:00
Control Time (this fight)
0:00
0
Reversals
0
McGregor
Siver
Durability / Chin
Resilience against knockouts and stoppages
52
4
KO risk
Verdict
KO risk
1
KO/TKO Losses
3
2
Sub Losses
2
Avg R2.0 stoppage
KO round context
Avg R2.0 stoppage
2 fights ago
Last KO loss
2 fights ago
—
Strikes absorbed / min
—
15/28 fights
Chin rating based on
21/34 fights
McGregor
Siver
Form & Momentum
Recent fight performance — most recent weighted 30%
100
43
2-fight 📉 slide
Current form
Upcoming
L · R1
L · KO · R2
W · KO · R1
L · Sub · R4
Last 5
W · Dec · R3
L · Dec · R3
L · KO · R2
W · Dec · R3
Upcoming
McGregor
Siver
Finish Rate
Percentage of wins by KO/TKO or Submission
80%
42%
8
KO / TKO Wins
3
0
Submission Wins
2
2
Decision Wins
7

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

McGregor
Siver
Striking9.4 / 3.7Volume3.0 / 5.9Grappling0.5 / 2.7Wrestling0.3 / 1.9Submission0.0 / 1.7Pressure7.7 / 4.7
Fighter 1
Fighter 2
9.4
Striking
KO power & stand-up volume
3.7
0.5
Grappling
Ground control & clinch
2.7
0.3
Wrestling
Takedown threat & defence
1.9
0.0
Submission
Submission attack frequency
1.7
7.7
Pressure
Clinch/ground work rate
4.7
3.0
Volume
Decision-pace fighting
5.9
McGregor
Strike Zones
Siver
McGregor
Attacking
20HEAD1BODY0LEGS21 landed
Absorbing
1HEAD1BODY3LEGS5 absorbed
Siver
Attacking
1HEAD1BODY3LEGS5 landed
Absorbing
20HEAD1BODY0LEGS21 absorbed
Targeting Overlap
🎯McGregor targets the head (95% of attacks) — Siver absorbs 95% of strikes there
🎯Siver targets the legs (60% of attacks) — McGregor absorbs 60% of strikes there

Round by Round

This fight · per-round breakdown

McGregor
RND
Siver
0/0R00/0
0/0R10/0

McGregor · QOF Timeline

Avg: 4.7
0105.0W5.6W5.0W6.3W5.1W5.1W5.5W2.1L4.5W5.1W3.4L5.0W3.4L5.3L2013-042015-012016-082021-012021-07
WinLossTrend

Siver · QOF Timeline

Avg: 4.3
0101.5L5.2W5.5L1.5L5.5W5.0W5.2W5.5L4.5W5.0W4.5W4.5W1.5L4.5W4.5W4.5L4.5W4.1L5.5L4.5W2007-042009-062011-022013-072017-06
WinLossTrend

McGregor · Last 5

Upcoming
Max Holloway
UFC 329: McGregor vs. Holloway 2 · 2026-07
L · R1
Dustin PoirierRating 5.3
UFC 264: Poirier vs. McGregor 3 · 2021-07
L · KO · R2
Dustin PoirierRating 3.4
KO/TKO
UFC 257: Poirier vs. McGregor · 2021-01
W · KO · R1
Donald CerroneRating 5
KO/TKO
UFC 246: McGregor vs. Cowboy · 2020-01
L · Sub · R4
Khabib NurmagomedovRating 3.4
Submission
UFC 229: Khabib vs. McGregor · 2018-10

Siver · Last 5

W · Dec · R3
BJ PennRating 4.5
Decision
UFC Fight Night: Chiesa vs. Lee · 2017-06
L · Dec · R3
Tatsuya KawajiriRating 5.5
Decision
UFC Fight Night: Jedrzejczyk vs Penne · 2015-06
L · KO · R2
Conor McGregorRating 4.1
KO/TKO
UFC Fight Night: McGregor vs Siver · 2015-01
W · Dec · R3
Charles RosaRating 4.5
Decision
UFC Fight Night: Nelson vs Story · 2014-10
Upcoming
Manvel Gamburyan
UFC 168: Weidman vs Silva 2 · 2013-12

News & Media

Conor McGregor · Dennis Siver
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