BOXINGAPI

Biggest boxing upsets

When the price was wrong.

Every priced bout carries its opening and closing line, so every underdog win can be ranked by how unlikely the market said it was. Built from our results and our odds since 2016, refreshed every hour.

619underdog wins
1 in 8priced bouts
+2750the longest
Closing price4 Aug 2018
Underdog won

Viviane Obenauf beat Natasha Jonas

TKO 4 · Lost WBA International female super-featherweight title
Closing price+2750
Chance it implied3.4%

The list

The upsets of 2023

Each view has its own address: a year, title fights or women's bouts.

#BoutMethodTitleChanceOpeningClosing price
1
Larry Fryers beat Dimash Niyazov17 Jun 2023
UD 1010 Rounds - Super Lightweight WBB World Super Lightweight Championship Title 9.5% chance +900+900
2
Anauel Ngamissengue beat Fiodor Czerkaszyn26 Aug 2023
MD 8· 11.8% chance +610+700
3
Rafael Espinoza beat Robeisy Ramírez9 Dec 2023
MD 12Won WBO featherweight title 12.4% chance +710+650
4
Conah Walker beat Cyrus Ramone Pattinson19 Aug 2023
RTD 8Won WBA International welterweight title 12.4% chance +700+650
5
Karla Ramos Zamora beat Jessica Camara16 Mar 2023
TKO 4· 12.6% chance +600+650
6
Jake Amparo beat Goki Kobayashi5 Aug 2023
UD 12Lost WBO Asia Pacific mini-flyweight title 13.0% chance +650+600
7
Agit Kabayel beat Arslanbek Makhmudov23 Dec 2023
TKO 4Won WBC-NABF and WBA Inter-Continental heavyweight titles 14.4% chance +575+550
8
Zhilei Zhang beat Joe Joyce15 Apr 2023
TKO 6Won WBO interim heavyweight title 14.6% chance +540+540
9
Jordan Gill beat Michael Conlan2 Dec 2023
TKO 7Won vacant WBA International super-featherweight title 15.2% chance +430+500
10
Brian Mendoza beat Sebastian Fundora8 Apr 2023
KO 7Won interim WBC light middleweight title. 15.1% chance +620+500
11
Jessica Nery Plata beat Kim Clavel13 Jan 2023
UD 10Lost WBC light-flyweight title; For WBA light-flyweight Super title 15.5% chance +350+500
12
Gabriel Maestre beat Travon Marshall12 Aug 2023
TKO 2· 16.7% chance +333+450
13
Miyo Yoshida beat Ebanie Bridges9 Dec 2023
UD 10Lost IBF female bantamweight title 17.6% chance +400+430
14
Mercito Gesta beat Joseph Diaz18 Mar 2023
SD 10· 17.5% chance +350+425
15
Carlos Takam beat Tony Yoka11 Mar 2023
SD 10· 18.6% chance +350+400
16
Ve Shawn Owens beat Kudratillo Abdukakhorov25 Feb 2023
UD 10· 18.6% chance +333+400
17
Diego Alberto Ruiz beat Gamal Yafai18 Feb 2023
UD 12· 18.3% chance +900+400
18
Melvin Jerusalem beat Masataka Taniguchi6 Jan 2023
TKO 2Lost WBO mini-flyweight title 18.5% chance +400+400
19
Joseph Parker beat Deontay Wilder23 Dec 2023
UD 12For WBO Inter-Continental and vacant WBC International heavyweight titles 19.3% chance +430+380
20
Joseph Goodall beat Stephan Shaw22 Jul 2023
TKO 6· 19.2% chance +600+380
21
Froilan Saludar beat Keita Kurihara12 Oct 2023
TKO 1Won OPBF bantamweight title 19.2% chance +400+375
22
Michael Eifert beat Jean Pascal16 Mar 2023
UD 12· 20.0% chance +500+350
23
Roiman Villa beat Rashidi Ellis7 Jan 2023
MD 12· 20.2% chance +275+350
24
JaRico O'Quinn beat Peter McGrail16 Dec 2023
KO 5· 20.8% chance +470+335
25
Reece Bellotti beat Youssef Khoumari10 Jun 2023
UD 10· 21.2% chance +280+333
Underdog wins, 2016 to 2026

About 1 in 8

of priced professional bouts; 2024 was the wildest year at 16%
2016: 49 of 462 (10.6%) 16 11% 2017: 50 of 443 (11.3%) 17 2018: 56 of 451 (12.4%) 18 2019: 64 of 550 (11.6%) 19 2020: 38 of 316 (12.0%) 20 2021: 56 of 489 (11.5%) 21 2022: 54 of 588 (9.2%) 22 2023: 71 of 605 (11.7%) 23 2024: 97 of 592 (16.4%) 24 16% 2025: 53 of 461 (11.5%) 25 2026: 31 of 304 (10.2%) 26 10%

All underdog winsWon at +300 or more

The biggest upset of each year
  • 2019Mateo Damian Veron beat Lolenga Mock+1800
  • 2020Jeison Rosario beat Julian Williams+1200
  • 2021James Martin beat Vito Mielnicki Jr.+1000
  • 2022Jurmain McDonald beat Evan Holyfield+1500
  • 2023Larry Fryers beat Dimash Niyazov+900
  • 2024Travis Floyd beat Chase Martinez+900
  • 2025Armando Reséndiz beat Caleb Plant+900
  • 2026Benjamin Mendes Tani beat Daniel Lapin+1400
01

How they are ranked

By the winner's closing price: the last price before the first bell, the best across the books we read. The chance shown is that price with the bookmaker's margin taken out.

02

What counts

Professional bouts with a price on both sides and a decided winner. Draws and no contests are left out; a disqualification counts as the result it was.

Every upset in one call: GET /v1/upsets?min_odds=300

Read the odds and upsets guide