UFC 49: Unfinished Business: Predictions & Analysis
UFC 49: Unfinished Business lands on Saturday, August 21, 2004 in Las Vegas, Nevada, USA with 8 bouts on the card. 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
| Matchup | Pick | Confidence | Prob |
|---|---|---|---|
| Randy Couture vs Vitor BelfortLight Heavyweight | Vitor Belfort | Toss-up | 54% |
| Joe Riggs vs Joe DoerksenMiddleweight | Joe Doerksen | Toss-up | 50% |
| Chuck Liddell vs Vernon WhiteLight Heavyweight | Chuck Liddell | Toss-up | 53% |
| David Terrell vs Matt LindlandMiddleweight | Matt Lindland | Confident | 67% |
| Justin Eilers vs Mike KyleHeavyweight | Mike Kyle | Confident | 73% |
| Chris Lytle vs Ronald JhunWelterweight | Chris Lytle | Confident | 69% |
| Karo Parisyan vs Nick DiazWelterweight | Nick Diaz | Strong | 78% |
| Yves Edwards vs Josh ThomsonLightweight | Josh Thomson | Lean | 60% |
Fight-by-Fight Breakdown
Randy Couture vs Vitor Belfort
The Light Heavyweight matchup features Randy Couture (16-7) taking on Vitor Belfort (15-9).
The Elo gap here is razor-thin — Couture at 1248, Belfort at 1255. On paper, this is as close to a coin flip as it gets. Couture rides a 3-fight win streak into this one.
The style clash matters here: Couture looks to close distance and put the fight on the mat, while Belfort is most dangerous on the ground, constantly threatening chokes and joint locks. In our database, wrestlers own a 56% win rate against submission artists, giving Couture the stylistic edge.
A few statistical edges stand out. Couture throws significantly more leather — a 1.0 sig. strike per minute gap. Couture is far more active with takedowns, averaging 0.3 more per 15 minutes. Couture has tighter striking defense, making opponents miss more often.
**The Pick: Vitor Belfort over Randy Couture.** This is essentially a pick'em. The model nudges toward Belfort at 54%, but there's almost nothing separating these two.
Joe Riggs vs Joe Doerksen
The Middleweight matchup features Joe Riggs (5-6) taking on Joe Doerksen (2-6). Doerksen will look to use a 5-inch reach edge to control distance.
There's a real Elo separation here: Doerksen at 925 versus Riggs at 842. That 83-point gap typically reflects a meaningful difference in recent quality of competition and results.
The style clash matters here: Riggs is most dangerous on the ground, constantly threatening chokes and joint locks, while Doerksen looks to close distance and put the fight on the mat. In our database, wrestlers own a 56% win rate against submission artists, giving Doerksen the stylistic edge.
A few statistical edges stand out. Doerksen throws significantly more leather — a 0.0 sig. strike per minute gap. Doerksen is far more active with takedowns, averaging 0.0 more per 15 minutes. Doerksen has tighter striking defense, making opponents miss more often.
**The Pick: Joe Doerksen over Joe Riggs.** This is essentially a pick'em. The model nudges toward Doerksen at 50%, but there's almost nothing separating these two.
Chuck Liddell vs Vernon White
The Light Heavyweight matchup features Chuck Liddell (16-6) taking on Vernon White (0-0-1).
Liddell carries a modest Elo edge (1035 to 992), the kind of gap that reflects a slightly better run of form rather than a talent chasm.
A few statistical edges stand out. White throws significantly more leather — a 0.1 sig. strike per minute gap. White is far more active with takedowns, averaging 1.0 more per 15 minutes. White has tighter striking defense, making opponents miss more often.
**The Pick: Chuck Liddell over Vernon White.** This is essentially a pick'em. The model nudges toward Liddell at 53%, but there's almost nothing separating these two.
David Terrell vs Matt Lindland
The Middleweight matchup features David Terrell (1-1) taking on Matt Lindland (8-3).
Lindland carries a modest Elo edge (1239 to 1197), the kind of gap that reflects a slightly better run of form rather than a talent chasm.
A few statistical edges stand out. Lindland throws significantly more leather — a 2.2 sig. strike per minute gap. Lindland is far more active with takedowns, averaging 2.9 more per 15 minutes. Terrell has tighter striking defense, making opponents miss more often.
**The Pick: Matt Lindland over David Terrell.** We're leaning Lindland here at 67%, a solid but not overwhelming edge.
Justin Eilers vs Mike Kyle
The Heavyweight matchup features Justin Eilers (1-2) taking on Mike Kyle (1-1).
Kyle is rated at 1087 — 195 points above Eilers's 892. Gaps this large usually mean one fighter has been consistently beating better opponents.
A few statistical edges stand out. Kyle throws significantly more leather — a 2.6 sig. strike per minute gap. Kyle is far more active with takedowns, averaging 0.0 more per 15 minutes. Kyle has tighter striking defense, making opponents miss more often.
**The Pick: Mike Kyle over Justin Eilers.** We're leaning Kyle here at 73%, a solid but not overwhelming edge.
Chris Lytle vs Ronald Jhun
The Welterweight matchup features Chris Lytle (9-10) taking on Ronald Jhun (0-0).
Lytle is rated at 1330 — 459 points above Jhun's 871. Gaps this large usually mean one fighter has been consistently beating better opponents.
A few statistical edges stand out. Lytle throws significantly more leather — a 2.3 sig. strike per minute gap. Lytle is far more active with takedowns, averaging 1.4 more per 15 minutes. Jhun has tighter striking defense, making opponents miss more often.
**The Pick: Chris Lytle over Ronald Jhun.** We're leaning Lytle here at 69%, a solid but not overwhelming edge.
Karo Parisyan vs Nick Diaz
The Welterweight matchup features Karo Parisyan (8-3) taking on Nick Diaz (7-6). Diaz is the bigger frame at 6'1" with a 4-inch reach advantage.
There's a real Elo separation here: Diaz at 1185 versus Parisyan at 1037. That 149-point gap typically reflects a meaningful difference in recent quality of competition and results.
The style clash matters here: Parisyan looks to close distance and put the fight on the mat, while Diaz 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 Parisyan the stylistic edge.
A few statistical edges stand out. Diaz throws significantly more leather — a 1.4 sig. strike per minute gap. Diaz is far more active with takedowns, averaging 2.5 more per 15 minutes. Diaz has tighter striking defense, making opponents miss more often.
**The Pick: Nick Diaz over Karo Parisyan.** The model is firm on this one: Diaz at 78%.
Yves Edwards vs Josh Thomson
The Lightweight matchup features Yves Edwards (10-9) taking on Josh Thomson (3-3).
Thomson is rated at 1217 — 400 points above Edwards's 818. Gaps this large usually mean one fighter has been consistently beating better opponents.
The style clash matters here: Edwards is patient on the feet, timing counters and loading up when he sees openings, while Thomson brings a versatile approach. In our database, knockout artists own a 54% win rate against strikers, giving Edwards the stylistic edge.
A few statistical edges stand out. Thomson throws significantly more leather — a 0.4 sig. strike per minute gap. Thomson is far more active with takedowns, averaging 2.5 more per 15 minutes. Edwards has tighter striking defense, making opponents miss more often.
**The Pick: Josh Thomson over Yves Edwards.** The model gives Thomson a slight nod at 60% — 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.