UFC on FOX: Henderson vs Diaz: Predictions & Analysis

Saturday, December 8, 2012·Seattle, Washington, USA
Published April 18, 2026
Predictions are for entertainment purposes only and do not constitute financial advice. Please gamble responsibly.

UFC on FOX: Henderson vs Diaz lands on Saturday, December 8, 2012 in Seattle, Washington, USA with 11 bouts on the card. The card is headlined by a championship fight. Below is our fight-by-fight breakdown, combining Elo ratings, rolling statistical trends, style matchup data, and betting market context into a pick for every bout.

Quick Picks

MatchupPickConfidenceProb
Benson Henderson vs Nate DiazLightweightBenson HendersonLean64%
Alexander Gustafsson vs Mauricio RuaLight HeavyweightAlexander GustafssonLean64%
Rory MacDonald vs BJ PennWelterweightRory MacDonaldStrong76%
Matt Brown vs Mike SwickWelterweightMatt BrownLean63%
Yves Edwards vs Jeremy StephensLightweightJeremy StephensLean62%
Raphael Assuncao vs Mike EastonBantamweightRaphael AssuncaoLean58%
Ramsey Nijem vs Joe ProctorLightweightRamsey NijemStrong81%
Daron Cruickshank vs Henry MartinezLightweightDaron CruickshankToss-up53%
Abel Trujillo vs Marcus LeVesseurLightweightMarcus LeVesseurToss-up54%
Dennis Siver vs Nam PhanFeatherweightDennis SiverStrong75%
Scott Jorgensen vs John AlbertBantamweightScott JorgensenLean61%

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Fight-by-Fight Breakdown

Benson Henderson vs Nate Diaz

LightweightTitle Fight
64%
Benson Henderson
Henderson
11-3
CH-III1610
All-Rounder
VS
Diaz
16-11
CH-III1624
All-Rounder
Over/UnderOver 68%
Under 32%Over 68%

The Lightweight championship matchup features Benson Henderson (11-3) taking on Nate Diaz (16-11). Diaz is the bigger frame at 6'0" with a 6-inch reach advantage.

The Elo gap here is razor-thin — Henderson at 1610, Diaz at 1624. On paper, this is as close to a coin flip as it gets.

The style clash matters here: Henderson is comfortable adjusting on the fly, mixing strikes and grappling as openings appear, while Diaz is most dangerous on the ground, constantly threatening chokes and joint locks. In our database, submission artists own a 55% win rate against all-rounders, giving Diaz the stylistic edge.

A few statistical edges stand out. Diaz throws significantly more leather — a 3.2 sig. strike per minute gap. Henderson is far more active with takedowns, averaging 1.8 more per 15 minutes. Henderson has tighter striking defense, making opponents miss more often.

The Pick: Benson Henderson over Nate Diaz. The model gives Henderson a slight nod at 64% — this could easily go either way.

64%
Alexander Gustafsson
Gustafsson
10-8
CO-II1367
All-Rounder
VS
Rua
11-12-1
RK-III1057
Striker
Over/UnderUnder 57%
Under 57%Over 43%

The Light Heavyweight matchup features Alexander Gustafsson (10-8) taking on Mauricio Rua (11-12-1). Gustafsson is the bigger frame at 6'5" with a 3-inch reach advantage.

Gustafsson is rated at 1367 — 310 points above Rua's 1057. Gaps this large usually mean one fighter has been consistently beating better opponents.

The style clash matters here: Gustafsson is most dangerous on the ground, constantly threatening chokes and joint locks, while Rua is comfortable adjusting on the fly, mixing strikes and grappling as openings appear. In our database, submission artists own a 55% win rate against all-rounders, giving Gustafsson the stylistic edge.

A few statistical edges stand out. Gustafsson throws significantly more leather — a 0.8 sig. strike per minute gap. Rua is far more active with takedowns, averaging 0.6 more per 15 minutes. Gustafsson has tighter striking defense, making opponents miss more often.

The Pick: Alexander Gustafsson over Mauricio Rua. The model gives Gustafsson a slight nod at 64% — this could easily go either way.

Rory MacDonald vs BJ Penn

Welterweight
76%
Rory MacDonald
MacDonald
9-4
CO-I1584
All-Rounder
VS
Penn
12-13-2
RK-I1142
All-Rounder
Over/UnderOver 53%
Under 47%Over 53%

The Welterweight matchup features Rory MacDonald (9-4) taking on BJ Penn (12-13-2). MacDonald is the bigger frame at 6'0" with a 6-inch reach advantage.

MacDonald is rated at 1584 — 443 points above Penn's 1142. Gaps this large usually mean one fighter has been consistently beating better opponents.

The style clash matters here: MacDonald looks to close distance and put the fight on the mat, while Penn is comfortable adjusting on the fly, mixing strikes and grappling as openings appear. In our database, wrestlers own a 58% win rate against all-rounders, giving MacDonald the stylistic edge.

A few statistical edges stand out. MacDonald throws significantly more leather — a 0.6 sig. strike per minute gap. MacDonald is far more active with takedowns, averaging 3.7 more per 15 minutes. MacDonald has tighter striking defense, making opponents miss more often.

The Pick: Rory MacDonald over BJ Penn. The model is firm on this one: MacDonald at 76%.

Matt Brown vs Mike Swick

Welterweight
63%
Matt Brown
Brown
17-13
CO-III1256
All-Rounder
VS
Swick
10-5
RK-I1193
All-Rounder
Over/UnderOver 52%
Under 48%Over 52%

The Welterweight matchup features Matt Brown (17-13) taking on Mike Swick (10-5).

Brown carries a modest Elo edge (1256 to 1193), the kind of gap that reflects a slightly better run of form rather than a talent chasm.

The style clash matters here: Brown looks to close distance and put the fight on the mat, while Swick is comfortable adjusting on the fly, mixing strikes and grappling as openings appear. In our database, wrestlers own a 58% win rate against all-rounders, giving Brown the stylistic edge.

A few statistical edges stand out. Brown throws significantly more leather — a 1.6 sig. strike per minute gap. Brown is far more active with takedowns, averaging 1.7 more per 15 minutes. Brown has tighter striking defense, making opponents miss more often.

The Pick: Matt Brown over Mike Swick. The model gives Brown a slight nod at 63% — this could easily go either way.

62%
Jeremy Stephens
Edwards
10-10
MC-III913
All-Rounder
VS
Stephens
15-19
RK-II1112
Striker
Over/UnderOver 53%
Under 47%Over 53%

The Lightweight matchup features Yves Edwards (10-10) taking on Jeremy Stephens (15-19).

Stephens is rated at 1112 — 199 points above Edwards's 913. Gaps this large usually mean one fighter has been consistently beating better opponents.

The style clash matters here: Edwards looks to close distance and put the fight on the mat, while Stephens is comfortable adjusting on the fly, mixing strikes and grappling as openings appear. In our database, wrestlers own a 58% win rate against all-rounders, giving Edwards the stylistic edge.

A few statistical edges stand out. Edwards throws significantly more leather — a 0.8 sig. strike per minute gap. Stephens is far more active with takedowns, averaging 1.3 more per 15 minutes. Edwards has tighter striking defense, making opponents miss more often.

The Pick: Jeremy Stephens over Yves Edwards. The model gives Stephens a slight nod at 62% — this could easily go either way.

58%
Raphael Assuncao
Assuncao
12-7
CO-III1260
All-Rounder
VS
Easton
3-4
RK-III1018
Striker
Over/UnderOver 61%
Under 39%Over 61%

The Bantamweight matchup features Raphael Assuncao (12-7) taking on Mike Easton (3-4). Easton will look to use a 4-inch reach edge to control distance.

Assuncao is rated at 1260 — 242 points above Easton's 1018. Gaps this large usually mean one fighter has been consistently beating better opponents.

Stylistically this is Assuncao's all-rounder game against Easton's striker approach. Assuncao is comfortable adjusting on the fly, mixing strikes and grappling as openings appear, while Easton brings a versatile approach. Historically these archetypes are dead-even when they collide.

A few statistical edges stand out. Assuncao throws significantly more leather — a 0.3 sig. strike per minute gap. Assuncao is far more active with takedowns, averaging 1.2 more per 15 minutes. Assuncao has tighter striking defense, making opponents miss more often.

The Pick: Raphael Assuncao over Mike Easton. The model gives Assuncao a slight nod at 58% — this could easily go either way.

81%
Ramsey Nijem
Nijem
5-5
MC-I990
Wrestler
VS
Proctor
4-4
RK-III1044
Knockout Artist
Over/UnderOver 54%
Under 46%Over 54%

The Lightweight matchup features Ramsey Nijem (5-5) taking on Joe Proctor (4-4). Nijem will look to use a 3-inch reach edge to control distance.

Proctor carries a modest Elo edge (1044 to 990), the kind of gap that reflects a slightly better run of form rather than a talent chasm.

Stylistically this is Nijem's wrestler game against Proctor's knockout artist approach. Nijem looks to close distance and put the fight on the mat, while Proctor is patient on the feet, timing counters and loading up when he sees openings. Historically these archetypes are dead-even when they collide.

A few statistical edges stand out. Proctor throws significantly more leather — a 1.5 sig. strike per minute gap. Nijem is far more active with takedowns, averaging 6.3 more per 15 minutes. Nijem has tighter striking defense, making opponents miss more often.

The Pick: Ramsey Nijem over Joe Proctor. The model is firm on this one: Nijem at 81%.

53%
Daron Cruickshank
Cruickshank
6-6
MC-II957
Wrestler
VS
Martinez
1-2
PR-I871
Over/UnderOver 60%
Under 40%Over 60%

The Lightweight matchup features Daron Cruickshank (6-6) taking on Henry Martinez (1-2). Cruickshank will look to use a 3-inch reach edge to control distance.

There's a real Elo separation here: Cruickshank at 957 versus Martinez at 871. That 86-point gap typically reflects a meaningful difference in recent quality of competition and results.

A few statistical edges stand out. Martinez throws significantly more leather — a 1.7 sig. strike per minute gap. Cruickshank is far more active with takedowns, averaging 4.0 more per 15 minutes. Martinez has tighter striking defense, making opponents miss more often.

The Pick: Daron Cruickshank over Henry Martinez. This is essentially a pick'em. The model nudges toward Cruickshank at 53%, but there's almost nothing separating these two.

54%
Marcus LeVesseur
Trujillo
6-4
RK-II1107
All-Rounder
VS
LeVesseur
1-2
UC-I764
Over/UnderOver 50%
Under 50%Over 50%

The Lightweight matchup features Abel Trujillo (6-4) taking on Marcus LeVesseur (1-2).

Trujillo is rated at 1107 — 343 points above LeVesseur's 764. Gaps this large usually mean one fighter has been consistently beating better opponents.

A few statistical edges stand out. LeVesseur throws significantly more leather — a 3.3 sig. strike per minute gap. LeVesseur is far more active with takedowns, averaging 4.2 more per 15 minutes. Trujillo has tighter striking defense, making opponents miss more often.

The Pick: Marcus LeVesseur over Abel Trujillo. This is essentially a pick'em. The model nudges toward LeVesseur at 54%, but there's almost nothing separating these two.

Dennis Siver vs Nam Phan

Featherweight
75%
Dennis Siver
Siver
12-8
CO-II1351
All-Rounder
VS
Phan
2-6
PR-II857
Striker
Over/UnderOver 65%
Under 35%Over 65%

The Featherweight matchup features Dennis Siver (12-8) taking on Nam Phan (2-6).

Siver is rated at 1351 — 494 points above Phan's 857. Gaps this large usually mean one fighter has been consistently beating better opponents.

Stylistically this is Siver's all-rounder game against Phan's knockout artist approach. Siver is comfortable adjusting on the fly, mixing strikes and grappling as openings appear, while Phan is patient on the feet, timing counters and loading up when he sees openings. Historically these archetypes are dead-even when they collide.

A few statistical edges stand out. Phan throws significantly more leather — a 1.9 sig. strike per minute gap. Siver is far more active with takedowns, averaging 0.1 more per 15 minutes. Siver has tighter striking defense, making opponents miss more often.

The Pick: Dennis Siver over Nam Phan. The model is firm on this one: Siver at 75%.

61%
Scott Jorgensen
Jorgensen
4-8
UC-I744
Wrestler
VS
Albert
1-4
UC-III627
Over/UnderUnder 51%
Under 51%Over 49%

The Bantamweight matchup features Scott Jorgensen (4-8) taking on John Albert (1-4). Albert is the bigger frame at 5'8" with a 2-inch reach advantage.

There's a real Elo separation here: Jorgensen at 744 versus Albert at 627. That 116-point gap typically reflects a meaningful difference in recent quality of competition and results.

A few statistical edges stand out. Albert throws significantly more leather — a 2.2 sig. strike per minute gap. Jorgensen is far more active with takedowns, averaging 2.1 more per 15 minutes. Jorgensen has tighter striking defense, making opponents miss more often.

The Pick: Scott Jorgensen over John Albert. The model gives Jorgensen a slight nod at 61% — this could easily go either way.

Methodology

Predictions are generated by our ensemble model combining LightGBM (65%) and CatBoost (35%), trained on every UFC fight since 1994. The model uses 23 features including Elo ratings, rolling 5-fight statistical averages, style matchup history, physical attributes, and market odds when available.

On our held-out test set (402 fights from January-September 2023), the model achieves 63.4% accuracy with a log-loss of 0.626. High-confidence picks (>75% probability) hit at 82.7%. For full model transparency, visit our Model page.