UFC Fight Night: Iaquinta vs. Cowboy: Predictions & Analysis

Saturday, May 4, 2019·Ottawa, Ontario, Canada
Published February 27, 2026
Predictions are for entertainment purposes only and do not constitute financial advice. Please gamble responsibly.

UFC Fight Night: Iaquinta vs. Cowboy lands on Saturday, May 4, 2019 in Ottawa, Ontario, Canada with 12 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
Donald Cerrone vs Al IaquintaLightweightAl IaquintaLean57%
Derek Brunson vs Elias TheodorouMiddleweightElias TheodorouLean59%
Shane Burgos vs Cub SwansonFeatherweightShane BurgosConfident68%
Merab Dvalishvili vs Brad KatonaBantamweightMerab DvalishviliLean56%
Walt Harris vs Serghei SpivacHeavyweightWalt HarrisToss-up52%
Andrew Sanchez vs Marc-Andre BarriaultMiddleweightMarc-Andre BarriaultToss-up53%
Macy Chiasson vs Sarah MorasWomen's BantamweightMacy ChiassonStrong79%
Vince Morales vs Aiemann ZahabiBantamweightVince MoralesLean60%
Nordine Taleb vs Kyle PrepolecWelterweightNordine TalebStrong84%
Matt Sayles vs Kyle NelsonFeatherweightMatt SaylesLean65%
Arjan Bhullar vs Juan AdamsHeavyweightJuan AdamsLean56%
Cole Smith vs Mitch GagnonBantamweightCole SmithToss-up55%

Fight-by-Fight Breakdown

Donald Cerrone vs Al Iaquinta

LightweightTitle Fight
57%
Al Iaquinta
Cerrone
23-13
Elo 1054
All-Rounder
VS
Iaquinta
9-5
Elo 1195
Striker

The Lightweight championship matchup features Donald Cerrone (23-13) taking on Al Iaquinta (9-5). Cerrone is the bigger frame at 6'1" with a 3-inch reach advantage.

There's a real Elo separation here: Iaquinta at 1195 versus Cerrone at 1054. That 141-point gap typically reflects a meaningful difference in recent quality of competition and results.

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

A few statistical edges stand out. Cerrone throws significantly more leather — a 0.3 sig. strike per minute gap. Cerrone is far more active with takedowns, averaging 0.7 more per 15 minutes. Iaquinta has tighter striking defense, making opponents miss more often.

The Pick: Al Iaquinta over Donald Cerrone. The model gives Iaquinta a slight nod at 57% — this could easily go either way. The market and our model are aligned — the line looks fair.

59%
Elias Theodorou
Brunson
14-6
Elo 1402
Wrestler
VS
Theodorou
8-2
Elo 1270
Striker

The Middleweight matchup features Derek Brunson (14-6) taking on Elias Theodorou (8-2).

There's a real Elo separation here: Brunson at 1402 versus Theodorou at 1270. That 133-point gap typically reflects a meaningful difference in recent quality of competition and results. Theodorou has won 3 straight.

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

A few statistical edges stand out. Theodorou throws significantly more leather — a 1.8 sig. strike per minute gap. Brunson is far more active with takedowns, averaging 0.3 more per 15 minutes. Theodorou has tighter striking defense, making opponents miss more often.

The Pick: Elias Theodorou over Derek Brunson. The model gives Theodorou a slight nod at 59% — this could easily go either way. The market implies 49% for Brunson, but our model sees only 41%. That 8-point gap favoring Theodorou is worth watching.

Shane Burgos vs Cub Swanson

Featherweight
68%
Shane Burgos
Burgos
7-3
Elo 1365
All-Rounder
VS
Swanson
14-10
Elo 1255
Striker

The Featherweight matchup features Shane Burgos (7-3) taking on Cub Swanson (14-10). Burgos is the bigger frame at 5'11" with a 5-inch reach advantage.

There's a real Elo separation here: Burgos at 1365 versus Swanson at 1255. That 110-point gap typically reflects a meaningful difference in recent quality of competition and results.

The style clash matters here: Burgos is patient on the feet, timing counters and loading up when he sees openings, while Swanson brings a versatile approach. In our database, knockout artists own a 54% win rate against strikers, giving Burgos the stylistic edge.

A few statistical edges stand out. Swanson throws significantly more leather — a 0.1 sig. strike per minute gap. Swanson is far more active with takedowns, averaging 0.3 more per 15 minutes. Burgos has tighter striking defense, making opponents miss more often.

The Pick: Shane Burgos over Cub Swanson. We're leaning Burgos here at 68%, a solid but not overwhelming edge. Notably, the betting market has Burgos at 62% implied while our model sees 68% — a 7-point disagreement that could signal value.

56%
Merab Dvalishvili
Dvalishvili
14-2
Elo 1867
Wrestler
VS
Katona
4-4
Elo 838
Striker

The Bantamweight matchup features Merab Dvalishvili (14-2) taking on Brad Katona (4-4). Dvalishvili will look to use a 4-inch reach edge to control distance.

Dvalishvili is rated at 1867 — 1028 points above Katona's 838. Gaps this large usually mean one fighter has been consistently beating better opponents. Dvalishvili rides a 14-fight win streak into this one.

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

A few statistical edges stand out. Katona throws significantly more leather — a 1.1 sig. strike per minute gap. Dvalishvili is far more active with takedowns, averaging 6.3 more per 15 minutes. Katona has tighter striking defense, making opponents miss more often.

The Pick: Merab Dvalishvili over Brad Katona. The model gives Dvalishvili a slight nod at 56% — this could easily go either way. The market implies 61% for Dvalishvili, but our model sees only 56%. That 5-point gap favoring Katona is worth watching.

52%
Walt Harris
Harris
6-8
Elo 1133
Striker
VS
Spivac
8-6
Elo 1355
Submission Artist

The Heavyweight matchup features Walt Harris (6-8) taking on Serghei Spivac (8-6).

Spivac is rated at 1355 — 222 points above Harris's 1133. Gaps this large usually mean one fighter has been consistently beating better opponents.

Stylistically this is Harris's striker game against Spivac's submission artist approach. Harris brings a versatile approach, while Spivac is most dangerous on the ground, constantly threatening chokes and joint locks. Historically these archetypes are dead-even when they collide.

A few statistical edges stand out. Harris throws significantly more leather — a 2.9 sig. strike per minute gap. Harris is far more active with takedowns, averaging 0.9 more per 15 minutes. Spivac has tighter striking defense, making opponents miss more often.

The Pick: Walt Harris over Serghei Spivac. This is essentially a pick'em. The model nudges toward Harris at 52%, but there's almost nothing separating these two.

53%
Marc-Andre Barriault
Sanchez
5-4
Elo 932
Striker
VS
Barriault
6-9
Elo 954
All-Rounder

The Middleweight matchup features Andrew Sanchez (5-4) taking on Marc-Andre Barriault (6-9).

The Elo gap here is razor-thin — Sanchez at 932, Barriault at 954. On paper, this is as close to a coin flip as it gets.

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

A few statistical edges stand out. Sanchez throws significantly more leather — a 4.8 sig. strike per minute gap. Sanchez is far more active with takedowns, averaging 2.8 more per 15 minutes. Barriault has tighter striking defense, making opponents miss more often.

The Pick: Marc-Andre Barriault over Andrew Sanchez. This is essentially a pick'em. The model nudges toward Barriault at 53%, but there's almost nothing separating these two. The market implies 59% for Sanchez, but our model sees only 47%. That 12-point gap favoring Barriault is worth watching.

Macy Chiasson vs Sarah Moras

Women's Bantamweight
79%
Macy Chiasson
Chiasson
8-4
Elo 1145
Wrestler
VS
Moras
3-5
Elo 808
Wrestler

The Women's Bantamweight matchup features Macy Chiasson (8-4) taking on Sarah Moras (3-5). Chiasson is the bigger frame at 5'11" with a 5-inch reach advantage.

Chiasson is rated at 1145 — 338 points above Moras's 808. 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. Chiasson throws significantly more leather — a 3.6 sig. strike per minute gap. Moras is far more active with takedowns, averaging 0.9 more per 15 minutes. Chiasson has tighter striking defense, making opponents miss more often.

The Pick: Macy Chiasson over Sarah Moras. The model is firm on this one: Chiasson at 79%. The market implies 85% for Chiasson, but our model sees only 79%. That 5-point gap favoring Moras is worth watching.

60%
Vince Morales
Morales
3-7
Elo 852
All-Rounder
VS
Zahabi
7-2
Elo 1586
Striker

The Bantamweight matchup features Vince Morales (3-7) taking on Aiemann Zahabi (7-2).

Zahabi is rated at 1586 — 734 points above Morales's 852. Gaps this large usually mean one fighter has been consistently beating better opponents. Zahabi has won 6 straight.

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

A few statistical edges stand out. Morales throws significantly more leather — a 1.6 sig. strike per minute gap. Zahabi is far more active with takedowns, averaging 0.0 more per 15 minutes. Zahabi has tighter striking defense, making opponents miss more often.

The Pick: Vince Morales over Aiemann Zahabi. The model gives Morales a slight nod at 60% — this could easily go either way.

84%
Nordine Taleb
Taleb
7-4
Elo 976
Striker
VS
Prepolec
0-3
Elo 773

The Welterweight matchup features Nordine Taleb (7-4) taking on Kyle Prepolec (0-3). Taleb is the bigger frame at 6'1" with a 4-inch reach advantage.

Taleb is rated at 976 — 202 points above Prepolec's 773. Gaps this large usually mean one fighter has been consistently beating better opponents.

A few statistical edges stand out. Taleb throws significantly more leather — a 3.8 sig. strike per minute gap. Taleb is far more active with takedowns, averaging 1.0 more per 15 minutes. Prepolec has tighter striking defense, making opponents miss more often.

The Pick: Nordine Taleb over Kyle Prepolec. The model is firm on this one: Taleb at 84%. Notably, the betting market has Taleb at 80% implied while our model sees 84% — a 4-point disagreement that could signal value.

Matt Sayles vs Kyle Nelson

Featherweight
65%
Matt Sayles
Sayles
1-2
Elo 868
VS
Nelson
4-5-1
Elo 1271
Striker

The Featherweight matchup features Matt Sayles (1-2) taking on Kyle Nelson (4-5-1). Nelson is the bigger frame at 5'11" with a 3-inch reach advantage.

Nelson is rated at 1271 — 403 points above Sayles's 868. Gaps this large usually mean one fighter has been consistently beating better opponents.

A few statistical edges stand out. Sayles throws significantly more leather — a 2.0 sig. strike per minute gap. Nelson is far more active with takedowns, averaging 0.0 more per 15 minutes. Sayles has tighter striking defense, making opponents miss more often.

The Pick: Matt Sayles over Kyle Nelson. The model gives Sayles a slight nod at 65% — this could easily go either way. The market and our model are aligned — the line looks fair.

56%
Juan Adams
Bhullar
2-1
Elo 1137
VS
Adams
1-2
Elo 751

The Heavyweight matchup features Arjan Bhullar (2-1) taking on Juan Adams (1-2). Adams is the bigger frame at 6'5" with a 5-inch reach advantage.

Bhullar is rated at 1137 — 386 points above Adams's 751. Gaps this large usually mean one fighter has been consistently beating better opponents.

A few statistical edges stand out. Adams throws significantly more leather — a 5.7 sig. strike per minute gap. Adams is far more active with takedowns, averaging 1.1 more per 15 minutes. Bhullar has tighter striking defense, making opponents miss more often.

The Pick: Juan Adams over Arjan Bhullar. The model gives Adams a slight nod at 56% — this could easily go either way. The market and our model are aligned — the line looks fair.

Cole Smith vs Mitch Gagnon

Bantamweight
55%
Cole Smith
Smith
1-1
Elo 919
VS
Gagnon
4-3
Elo 955
Wrestler

The Bantamweight matchup features Cole Smith (1-1) taking on Mitch Gagnon (4-3). Smith is the bigger frame at 5'11" with a 2-inch reach advantage.

Gagnon carries a modest Elo edge (955 to 919), the kind of gap that reflects a slightly better run of form rather than a talent chasm.

A few statistical edges stand out. Gagnon throws significantly more leather — a 3.4 sig. strike per minute gap. Gagnon is far more active with takedowns, averaging 1.5 more per 15 minutes. Smith has tighter striking defense, making opponents miss more often.

The Pick: Cole Smith over Mitch Gagnon. This is essentially a pick'em. The model nudges toward Smith at 55%, but there's almost nothing separating these two. Notably, the betting market has Smith at 46% implied while our model sees 55% — a 8-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.