UFC 224: Nunes vs. Pennington: Predictions & Analysis

Saturday, May 12, 2018·Rio de Janeiro, Rio de Janeiro, Brazil

UFC 224: Nunes vs. Pennington lands on Saturday, May 12, 2018 in Rio de Janeiro, Rio de Janeiro, Brazil with 13 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
Amanda Nunes vs Raquel PenningtonWomen's BantamweightAmanda NunesStrong89%
Kelvin Gastelum vs Jacare SouzaMiddleweightKelvin GastelumConfident67%
Mackenzie Dern vs Amanda CooperWomen's StrawweightMackenzie DernStrong76%
John Lineker vs Brian KelleherBantamweightJohn LinekerConfident73%
Lyoto Machida vs Vitor BelfortMiddleweightLyoto MachidaStrong82%
Cezar Ferreira vs Karl RobersonMiddleweightCezar FerreiraConfident66%
Aleksei Oleinik vs Junior AlbiniHeavyweightJunior AlbiniToss-up52%
Davi Ramos vs Nick HeinLightweightDavi RamosLean64%
Elizeu Zaleski dos Santos vs Sean StricklandWelterweightSean StricklandLean62%
Warlley Alves vs Sultan AlievWelterweightWarlley AlvesStrong76%
Jack Hermansson vs Thales LeitesMiddleweightJack HermanssonLean64%
Ramazan Emeev vs Alberto MinaWelterweightRamazan EmeevStrong76%
Markus Perez vs James BochnovicMiddleweightMarkus PerezStrong79%

Fight-by-Fight Breakdown

Amanda Nunes vs Raquel Pennington

Women's BantamweightTitle Fight
89%
Amanda Nunes
Nunes
15-2
Elo 1636
Wrestler
VS
Pennington
13-5
Elo 1411
All-Rounder

The Women's Bantamweight championship matchup features Amanda Nunes (15-2) taking on Raquel Pennington (13-5).

Nunes is rated at 1636 — 225 points above Pennington's 1411. Gaps this large usually mean one fighter has been consistently beating better opponents. Pennington has won 6 straight.

Both fighters land in our "Wrestler" archetype — fighters who win by dictating where the fight takes place, grinding out control time and wearing opponents down. When mirror matchups like this happen, the edge usually goes to whoever can impose their preferred pace and range.

A few statistical edges stand out. Nunes throws significantly more leather — a 1.3 sig. strike per minute gap. Pennington is far more active with takedowns, averaging 0.0 more per 15 minutes. Pennington has tighter striking defense, making opponents miss more often.

**The Pick: Amanda Nunes over Raquel Pennington.** The model is firm on this one: Nunes at 89%. The market and our model are aligned — the line looks fair.

67%
Kelvin Gastelum
Gastelum
13-10
Elo 1340
All-Rounder
VS
Souza
9-6
Elo 1187
All-Rounder

The Middleweight matchup features Kelvin Gastelum (13-10) taking on Jacare Souza (9-6). There's a 4-inch height gap favoring Souza.

Gastelum is rated at 1340 — 152 points above Souza's 1187. Gaps this large usually mean one fighter has been consistently beating better opponents.

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

A few statistical edges stand out. Gastelum throws significantly more leather — a 2.6 sig. strike per minute gap. Souza is far more active with takedowns, averaging 1.7 more per 15 minutes. Gastelum has tighter striking defense, making opponents miss more often.

**The Pick: Kelvin Gastelum over Jacare Souza.** We're leaning Gastelum here at 67%, a solid but not overwhelming edge.

Mackenzie Dern vs Amanda Cooper

Women's Strawweight
76%
Mackenzie Dern
Dern
10-5
Elo 1472
Wrestler
VS
Cooper
2-3
Elo 803
Wrestler

The Women's Strawweight matchup features Mackenzie Dern (10-5) taking on Amanda Cooper (2-3).

Dern is rated at 1472 — 669 points above Cooper's 803. Gaps this large usually mean one fighter has been consistently beating better opponents.

Both fighters land in our "Wrestler" archetype — fighters who win by dictating where the fight takes place, grinding out control time and wearing opponents down. When mirror matchups like this happen, the edge usually goes to whoever can impose their preferred pace and range.

A few statistical edges stand out. Dern throws significantly more leather — a 1.0 sig. strike per minute gap. Cooper is far more active with takedowns, averaging 0.4 more per 15 minutes. Dern has tighter striking defense, making opponents miss more often.

**The Pick: Mackenzie Dern over Amanda Cooper.** The model is firm on this one: Dern at 76%. Notably, the betting market has Dern at 70% implied while our model sees 76% — a 6-point disagreement that could signal value.

73%
John Lineker
Lineker
12-3
Elo 1455
All-Rounder
VS
Kelleher
8-8
Elo 766
Wrestler

The Bantamweight matchup features John Lineker (12-3) taking on Brian Kelleher (8-8). There's a 3-inch height gap favoring Kelleher.

Lineker is rated at 1455 — 689 points above Kelleher's 766. Gaps this large usually mean one fighter has been consistently beating better opponents.

The style clash matters here: Lineker is comfortable adjusting on the fly, mixing strikes and grappling as openings appear, while Kelleher looks to close distance and put the fight on the mat. In our database, wrestlers own a 59% win rate against all-rounders, giving Kelleher the stylistic edge.

A few statistical edges stand out. Kelleher throws significantly more leather — a 1.3 sig. strike per minute gap. Kelleher is far more active with takedowns, averaging 1.0 more per 15 minutes. Kelleher has tighter striking defense, making opponents miss more often.

**The Pick: John Lineker over Brian Kelleher.** We're leaning Lineker here at 73%, a solid but not overwhelming edge. Notably, the betting market has Lineker at 69% implied while our model sees 73% — a 4-point disagreement that could signal value.

82%
Lyoto Machida
Machida
15-8
Elo 1493
All-Rounder
VS
Belfort
15-9
Elo 1255
Knockout Artist

The Middleweight matchup features Lyoto Machida (15-8) taking on Vitor Belfort (15-9).

Machida is rated at 1493 — 238 points above Belfort's 1255. Gaps this large usually mean one fighter has been consistently beating better opponents.

Stylistically this is Machida's all-rounder game against Belfort's knockout artist approach. Machida is comfortable adjusting on the fly, mixing strikes and grappling as openings appear, while Belfort 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. Machida throws significantly more leather — a 0.6 sig. strike per minute gap. Belfort is far more active with takedowns, averaging 0.0 more per 15 minutes. Machida has tighter striking defense, making opponents miss more often.

**The Pick: Lyoto Machida over Vitor Belfort.** The model is firm on this one: Machida at 82%. Notably, the betting market has Machida at 68% implied while our model sees 82% — a 15-point disagreement that could signal value.

66%
Cezar Ferreira
Ferreira
9-5
Elo 1033
Wrestler
VS
Roberson
4-5
Elo 817
All-Rounder

The Middleweight matchup features Cezar Ferreira (9-5) taking on Karl Roberson (4-5). Ferreira will look to use a 4-inch reach edge to control distance.

Ferreira is rated at 1033 — 215 points above Roberson's 817. Gaps this large usually mean one fighter has been consistently beating better opponents.

The style clash matters here: Ferreira looks to close distance and put the fight on the mat, while Roberson is comfortable adjusting on the fly, mixing strikes and grappling as openings appear. In our database, wrestlers own a 59% win rate against all-rounders, giving Ferreira the stylistic edge.

A few statistical edges stand out. Roberson throws significantly more leather — a 2.8 sig. strike per minute gap. Roberson is far more active with takedowns, averaging 0.7 more per 15 minutes. Roberson has tighter striking defense, making opponents miss more often.

**The Pick: Cezar Ferreira over Karl Roberson.** We're leaning Ferreira here at 66%, a solid but not overwhelming edge. Notably, the betting market has Ferreira at 50% implied while our model sees 66% — a 16-point disagreement that could signal value.

52%
Junior Albini
Oleinik
9-7
Elo 1073
Wrestler
VS
Albini
1-3
Elo 818

The Heavyweight matchup features Aleksei Oleinik (9-7) taking on Junior Albini (1-3). Oleinik will look to use a 6-inch reach edge to control distance.

Oleinik is rated at 1073 — 255 points above Albini's 818. Gaps this large usually mean one fighter has been consistently beating better opponents.

A few statistical edges stand out. Albini throws significantly more leather — a 0.7 sig. strike per minute gap. Oleinik is far more active with takedowns, averaging 2.9 more per 15 minutes. Albini has tighter striking defense, making opponents miss more often.

**The Pick: Junior Albini over Aleksei Oleinik.** This is essentially a pick'em. The model nudges toward Albini at 52%, but there's almost nothing separating these two. Notably, the betting market has Oleinik at 41% implied while our model sees 48% — a 7-point disagreement that could signal value.

Davi Ramos vs Nick Hein

Lightweight
64%
Davi Ramos
Ramos
4-2
Elo 1160
Wrestler
VS
Hein
4-3
Elo 818
Striker

The Lightweight matchup features Davi Ramos (4-2) taking on Nick Hein (4-3). Ramos will look to use a 4-inch reach edge to control distance.

Ramos is rated at 1160 — 342 points above Hein's 818. Gaps this large usually mean one fighter has been consistently beating better opponents.

Stylistically this is Ramos's wrestler game against Hein's striker approach. Ramos looks to close distance and put the fight on the mat, while Hein brings a versatile approach. Historically these archetypes are dead-even when they collide.

A few statistical edges stand out. Ramos throws significantly more leather — a 0.9 sig. strike per minute gap. Ramos is far more active with takedowns, averaging 1.9 more per 15 minutes. Hein has tighter striking defense, making opponents miss more often.

**The Pick: Davi Ramos over Nick Hein.** The model gives Ramos a slight nod at 64% — this could easily go either way. Notably, the betting market has Ramos at 58% implied while our model sees 64% — a 7-point disagreement that could signal value.

62%
Sean Strickland
Santos
11-5-1
Elo 1041
All-Rounder
VS
Strickland
16-7
Elo 1813
All-Rounder

The Welterweight matchup features Elizeu Zaleski dos Santos (11-5-1) taking on Sean Strickland (16-7). Strickland is the bigger frame at 6'1" with a 3-inch reach advantage.

Strickland is rated at 1813 — 772 points above Santos's 1041. Gaps this large usually mean one fighter has been consistently beating better opponents.

Both fighters land in our "All-Rounder" archetype — fighters comfortable everywhere, able to strike or grapple depending on what the opponent gives them. When mirror matchups like this happen, the edge usually goes to whoever can impose their preferred pace and range.

A few statistical edges stand out. Santos throws significantly more leather — a 0.1 sig. strike per minute gap. Strickland is far more active with takedowns, averaging 1.0 more per 15 minutes. Strickland has tighter striking defense, making opponents miss more often.

**The Pick: Sean Strickland over Elizeu Zaleski dos Santos.** The model gives Strickland a slight nod at 62% — this could easily go either way. The market implies 49% for Santos, but our model sees only 38%. That 11-point gap favoring Strickland is worth watching.

76%
Warlley Alves
Alves
8-7
Elo 895
Knockout Artist
VS
Aliev
1-2
Elo 1088

The Welterweight matchup features Warlley Alves (8-7) taking on Sultan Aliev (1-2).

Aliev is rated at 1088 — 193 points above Alves's 895. Gaps this large usually mean one fighter has been consistently beating better opponents.

A few statistical edges stand out. Alves throws significantly more leather — a 1.6 sig. strike per minute gap. Aliev is far more active with takedowns, averaging 0.6 more per 15 minutes. Aliev has tighter striking defense, making opponents miss more often.

**The Pick: Warlley Alves over Sultan Aliev.** The model is firm on this one: Alves at 76%. Notably, the betting market has Alves at 71% implied while our model sees 76% — a 5-point disagreement that could signal value.

64%
Jack Hermansson
Hermansson
11-7
Elo 1117
All-Rounder
VS
Leites
12-8
Elo 1176
Wrestler

The Middleweight matchup features Jack Hermansson (11-7) taking on Thales Leites (12-8).

Leites carries a modest Elo edge (1176 to 1117), the kind of gap that reflects a slightly better run of form rather than a talent chasm.

Stylistically this is Hermansson's striker game against Leites's wrestler approach. Hermansson brings a versatile approach, while Leites looks to close distance and put the fight on the mat. Historically these archetypes are dead-even when they collide.

A few statistical edges stand out. Hermansson throws significantly more leather — a 3.2 sig. strike per minute gap. Leites is far more active with takedowns, averaging 0.1 more per 15 minutes. Hermansson has tighter striking defense, making opponents miss more often.

**The Pick: Jack Hermansson over Thales Leites.** The model gives Hermansson a slight nod at 64% — this could easily go either way. Notably, the betting market has Hermansson at 57% implied while our model sees 64% — a 7-point disagreement that could signal value.

76%
Ramazan Emeev
Emeev
5-2
Elo 1047
Wrestler
VS
Mina
3-0
Elo 1186

The Welterweight matchup features Ramazan Emeev (5-2) taking on Alberto Mina (3-0).

There's a real Elo separation here: Mina at 1186 versus Emeev at 1047. That 139-point gap typically reflects a meaningful difference in recent quality of competition and results. Mina has won 3 straight.

A few statistical edges stand out. Mina throws significantly more leather — a 2.1 sig. strike per minute gap. Mina is far more active with takedowns, averaging 1.4 more per 15 minutes. Emeev has tighter striking defense, making opponents miss more often.

**The Pick: Ramazan Emeev over Alberto Mina.** The model is firm on this one: Emeev at 76%. Notably, the betting market has Emeev at 61% implied while our model sees 76% — a 15-point disagreement that could signal value.

79%
Markus Perez
Perez
2-4
Elo 784
Wrestler
VS
Bochnovic
0-1
Elo 787

The Middleweight matchup features Markus Perez (2-4) taking on James Bochnovic (0-1). Bochnovic is the bigger frame at 6'4" with a 8-inch reach advantage.

The Elo gap here is razor-thin — Perez at 784, Bochnovic at 787. On paper, this is as close to a coin flip as it gets.

A few statistical edges stand out. Perez throws significantly more leather — a 1.4 sig. strike per minute gap. Perez is far more active with takedowns, averaging 2.0 more per 15 minutes. Perez has tighter striking defense, making opponents miss more often.

**The Pick: Markus Perez over James Bochnovic.** The model is firm on this one: Perez at 79%. Notably, the betting market has Perez at 73% implied while our model sees 79% — a 6-point disagreement that could signal value.

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.