MMA Index
Pro
Aaron Jeffery
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Aaron Jeffery

UFC Debut
Record
16-6
Streak
L1
Age
33
Date of birth
Nov 14, 1992
Fighting out of
Tillsonburg
Born
Canada
Weight class
Middleweight
Height
6'2" · 188 cm
Reach
74" · 187 cm
Before the UFC

Aaron Jeffery makes their UFC debut

Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.

UFC debut
Jul 3, 2026
Pre-UFC opposition
Strong
Opponents' combined record
243-107
.694 win rate
Winning-record opponents
17 of 20
carried winning pro records
Pro bouts faced
20
all opponents have records on file

A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.

UFC fight history

No UFC bouts on record yet.

Dana White's Contender Series

0-2across 2 bouts
ResOpponentOutcomeFinishRdTimePromotionDate
L
Caio Borralho18-2
Decision29–28, 29–28, 30–27R35:00Dana White's Contender Series
Sep 28, 2021
L
Brendan Allen26-7
Submissionrear-naked chokeR13:23Dana White's Contender Series
Jul 16, 2019

Dana White’s Contender Series — a UFC-adjacent proving ground, shown as its own tier. Excluded from Schedule Score and UFC-scoped metrics.

Outside the UFC

16-4across 20 bouts · 14 promotions · wins by 9 KO · 1 sub · 6 decBellator · PFL · CFFC 105 · CFFC 93 · LFA +9
ResOpponentOutcomeFinishRdTimePromotionDate
L
Dalton Rosta11-3
DecisionSplitR35:00
PFL
Jun 27, 2025
W
Murad Ramazanov12-4
DecisionSplitR35:00
PFL
Apr 18, 2025
W
Douglas Lima33-12
DecisionUnanimousR35:00
Bellator
Sep 7, 2024
L
Fabian Edwards16-5
DecisionUnanimousR35:00
Bellator
Mar 22, 2024
W
Dalton Rosta11-3
DecisionUnanimousR35:00
Bellator
Aug 11, 2023
L
John Salter19-6
DecisionUnanimousR35:00
Bellator
Mar 31, 2023
W
Austin Vanderford13-3
KO/TKOPunchesR11:25
Bellator
Aug 12, 2022
W
Fabio Aguiar20-6
KO/TKOKnee and PunchesR23:30
Bellator
Jun 24, 2022
W
Rex Harris12-6
DecisionUnanimousR45:00
CFFC 105
Jan 29, 2022
W
Collin Huckbody16-8
DecisionUnanimousR45:00
CFFC 93
Mar 12, 2021
W
Andre Petroski13-6
KO/TKOKnees and PunchesR24:19
LFA
Oct 16, 2020
W
Bruno Assis13-7
KO/TKOPunchesR31:26
SFT 23
Aug 13, 2020
W
Dennis Olson14-12
KO/TKOCorner StoppageR21:43
Combat Zone 71
Aug 23, 2019
W
Jonathan Vallee7-4
KO/TKOKneesR43:00
BTC 5
Mar 9, 2019
W
Alex Beaule3-2
KO/TKOPunchesR30:44
BTC 3
Jun 23, 2018
W
Chad Kelly4-3
DecisionUnanimousR35:00
Honor FC 3
Mar 31, 2018
W
T.J. Sumler5-6
KO/TKODoctor StoppageR15:00
KOTC
Mar 12, 2016
L
Sean Brady19-2
DecisionUnanimousR35:00
CFFC 53
Dec 4, 2015
W
Dave Lastafka1-4
KO/TKOPunchesR23:13
NAAFS
Mar 7, 2015
W
Matt Anderson1-5
SubmissionTriangle ChokeR11:45
OFC 22
Oct 11, 2014

Non-UFC bouts (regional/other promotions) — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.

Amateur

4-0across 4 amateur bouts · 4 promotionsGladiators of the Cage · Alpha One Sports · GF 3 · Rocktagon MMA
ResOpponentOutcomeFinishRdTimePromotionDate
W
Dann Cucuta4-2
DecisionUnanimousR33:00
Gladiators of the Cage
Jul 19, 2014
W
Stephen Schlater3-2
DecisionUnanimousR33:00
Alpha One Sports
Aug 15, 2013
W
Alan Hoelzle1-3
SubmissionRear-Naked ChokeR31:16
GF 3
Mar 30, 2013
W
AJ Jaquish0-1
SubmissionPunchesR12:29
Rocktagon MMA
Mar 2, 2013

Amateur (pre-professional) bouts — shown for context only and excluded from the professional record and every UFC-scoped metric.

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