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History · 2021 · UFC Fight Night: Costa vs. Vettori · Mason Jones vs David Onama
From the tape · 23 Oct 2021

Mason Jones vs David Onama

UFC Fight Night: Costa vs. Vettori · Las Vegas, Nevada, USA
Result

Mason Jones beat David Onama

Method
Decision - Unanimous
Round
3 of 3
Clock
5:00
LightweightMain cardReferee · Jason Herzog

We published no prediction for this bout. Everything on this page is the official record and the tape it was fought on — the result, the round-by-round counts, the judges’ cards where they exist and the sportsbook line where one was published. Our graded calls start in 2026 and live on the public record.

Red corner MasonJones“Dragon”Pedro Bessa BJJ · Born in Blaenavon, Wales · Fights out of Blaenavon, Wales
VSOn the tape
Blue corner DavidOnamaFactory X · Born in Kyangwali, Uganda · Fights out of Kansas City, Missouri, United States
Lightweight3 rounds23 Oct 2021
18-3
Record
14-3
−1 yr26
Age
27
5' 10"
Height
+1″5' 11"
74″
Reach
74″
Orthodox
Stance
Orthodox
Pedro Bessa BJJ
Gym
Factory X
Blaenavon, Wales
Born in
Kyangwali, Uganda
Blaenavon, Wales
Fights out of
Kansas City, Missouri, United States
Vitals, record, nickname and camp come from the public UFC fighter register and are current, not a snapshot of fight night. UFC bouts, finish rate and every storyline line are counted off the official UFC fight record. A tick marks the side holding the raw edge in that row — longer reach, taller, younger, more bouts, a higher finish rate. It is a fact about the tape, not a prediction, and rows with no clean comparison (record, stance, gym, hometown) carry no tick at all. Any row we cannot fill on both sides is left out rather than half-drawn. Where a fighter was born and where they fight out of come from their Wikipedia entry; where we hold neither, the hometown shown is Sherdog’s. Streaks, bout counts and finish rates are as they stood going into this fight — this bout and everything after it is excluded from the count.

Round by round

Every round the fight went, shaded by where the significant strikes actually landed — the takedowns, control time and knockdowns beside them, and how the three judges scored that round.

UFCStats · per round

3 rounds of tape

Round 15:00 of action
Mason Jones30 sig landed
HEAD73%22 of 57BODY20%6 of 7LEGS7%2 of 2
David Onama30 sig landed
HEAD80%24 of 54BODY17%5 of 5LEGS3%1 of 1
30 of 66
Sig.
strikes
30 of 60
3 of 5
Take-
downs
0 of 0
2:34
Control
0:09
Distance 27Clinch 3Ground 0
Where it
happened
Distance 22Clinch 7Ground 1
Judges · this round · Jones firstEric Colón10–9Ron McCarthy10–9Tony Weeks10–9
Round 25:00 of action
Mason Jones33 sig landed
HEAD70%23 of 41BODY30%10 of 11LEGS0%0 landed
David Onama35 sig landed
HEAD91%32 of 55BODY6%2 of 3LEGS3%1 of 1
33 of 52
Sig.
strikes
35 of 59
2 of 4
Take-
downs
0 of 1
2:49
Control
0:00
Distance 29Clinch 3Ground 1
Where it
happened
Distance 24Clinch 11Ground 0
Judges · this round · Jones firstEric Colón9–10Ron McCarthy9–10Tony Weeks9–10
Round 35:00 of actionEnded 5:00
Mason Jones24 sig landed
HEAD83%20 of 35BODY17%4 of 4LEGS0%0 landed
David Onama25 sig landed
HEAD96%24 of 33BODY4%1 of 1LEGS0%0 landed
24 of 39
Sig.
strikes
25 of 34
3 of 5
Take-
downs
0 of 0
3:38
Control
0:02
Distance 13Clinch 4Ground 7
Where it
happened
Distance 24Clinch 1Ground 0
Judges · this round · Jones firstEric Colón10–9Ron McCarthy10–9Tony Weeks10–9

Significant strikes, takedowns, control time, knockdowns and submission attempts exactly as UFCStats recorded them for this bout, round by round. Zone percentages are that round’s landed head, body and leg counts over their own total — raw arithmetic, nothing modelled or smoothed. A round in which a fighter landed nothing shades empty and reads zero; it is never filled in from the round before.

The cards, totalled

The judges’ final totals, the media’s cards beside them, and how these judges usually score. Their round-by-round 10–9s are with the rounds above.

Official card

Unanimous Decision

Referee · Jason Herzog
Mason JonesDavid Onama
Official totals — Mason Jones first
JudgeTotal
Eric Colón2.0 avg spread · 42% wide29–28
Ron McCarthy2.0 avg spread · 41% wide29–28
Tony Weeks2.1 avg spread · 49% wide29–28

Each judge’s round-by-round scores sit with the round they belong to, in the round-by-round section above — switch a round there and the three cards for it change with the stats.

Media cards — 9 scored, Mason Jones first · unofficial

Keith Shillan Sherdog.com30–27
MM AJunkie.com30–27
Jay Pettry Sherdog.com30–27
Shawn Bitter Cageside Press29–28
Steve Duncan mma.uno29–28
MM AMania.com29–28
Ben Duffy Sherdog.com29–28
Brian Knapp Sherdog.com29–28
Ryan Frederick WrestlingObserver.com29–28

Fan vote · unofficial

29-28 Jones · 40%30-27 Jones · 36%29-28 Onama · 20%30-28 Jones · 2%30-27 Onama · 2%

50 fan cards submitted to MMA Decisions.

Official cards come from the UFCStats fight record and MMA Decisions. Media cards and the fan vote are MMA Decisions’ own collection and are not official. Judge tendency figures are that judge’s whole recorded history, not this bout — they are context for how a card was scored, never a claim that it was scored wrongly.

Takedowns

Takedowns

The level change — head to head

Career UFC takedown rates. Red corner left, blue corner right.

Mason Jones

3.38takedowns / 15 min
3.38 / 15m
TAKEDOWNS
1.05 / 15m
6.04 / 15m
ATTEMPTS
3.50 / 15m
56%
ACCURACY
30%
0.10 / 15m
SUB ATT
0.50 / 15m

David Onama

1.05takedowns / 15 min

Career UFC takedown rates exactly as UFCStats publishes them: takedowns landed per 15 minutes, completion rate, submission attempts per 15 minutes, and the share of takedowns tried on them that they stuffed. Attempts per 15 is the one derived figure — landed ÷ completion rate — and it is omitted wherever either input is missing. UFCStats writes 0% where no attempt was recorded at all, so a percentage of exactly zero reads “n/a” here rather than as a measured rate. “Field” is the average fighter in that weight class, or across every division where a class is too small to average. Rate bars run to the population’s 95th percentile (5.50 takedowns / 15m); a fighter above it pins the bar. Percentages are drawn on their own axis.

Ranked roster-wide

The market story

Where the price started and where it finished — the sportsbook consensus, with the vig removed. We captured no price series for this bout, so there is no chart to draw.

Mason Jonesclose only
no opening line on recordclose 77.7%
David Onamaclose only
no opening line on recordclose 22.3%
0%50%100%
OpenClosing consensus (BFO, vig removed)

We hold the closing consensus for this bout but no opening line, so the strip marks the close alone: Mason Jones 77.7%, David Onama 22.3%, vig removed.

Show the numbers
CornerOpen (US)Close (US)Open %Close %Move
Mason Jones-700-417—77.7%—
David Onama—331—22.3%—
Opening and closing moneylines from BestFightOdds (data/refs/bfo_fighter_moneylines.csv), one row per fighter per bout, de-vigged pairwise so the two corners sum to 100% · scraped 2026-10-04 · BestFightOdds has no fighter page scraped for David Onama, so that corner’s CLOSE is read from the opponent’s row, which names it explicitly. No opening line exists for that corner and none is shown.. No price series was captured for this bout, so no line is drawn between the two points.
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