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Bantamweight MMA

Sean O'Malley (fighter) vs Song Yadong

A fight that actually happened — and everything both records say about it.

Meetings on record

1

Sean O'Malley (fighter) and Song Yadong met once (2026). Sean O'Malley (fighter) won in 2026 by decision.

SOURCE·Sean O'Malley (fighter) and Song Yadong — English Wikipedia (CC BY-SA 4.0)·both records name the other·REVIEWED AUG 2026

How this head-to-head is established

  1. This pairing exists only because at least one of the two articles' own results tables names the other fighter. No matchup on this site is speculative and none is a hypothetical.
  2. Every figure in the comparison below comes from that fighter's own page and carries the same source line. A dash means the source states nothing, not that the value is zero.
  3. Common opponents are found by matching linked bout lists, which is only possible because every fight list here is linked to every other. A shared opponent is not a transitive result and this page does not treat it as one.
  4. Nothing on this page predicts an outcome. It is a comparison of what is on record.

Sources, exclusions and known limits →

Side by side

What both records stateAUG 2026
Sean O'Malley (fighter)Song Yadong
—Reach67″ (170.2 cm)
71″ (180.3 cm)Height68″ (172.7 cm)
—Reach advantage-1.45%
20–3Record23–8
70%Finish rate57%
11Longest unbeaten run6
29Recorded bouts34
—StanceOrthodox

A comparison of what is on record. Nothing here predicts a result.

Common opponents

Both fought these 2. This is the comparison the siloed databases cannot make, because it needs every fight list linked to every other.

OpponentSean O'Malley (fighter)Song Yadong
Petr Yan W L
Marlon Vera L W

Both records, drawn

The same ledger line on each: wins stamped above the rule, losses below, the mark's shape carrying how it ended.

Sean O'Malley (fighter)

20102020UNFILEDwin v Mark Coates, 2015, decisionwin v Omar Avelar, 2015, submissionwin v Shane Sargent, 2015, kowin v Josh Reyes, 2015, kowin v Tycen Lynn, 2016, kowin v David Courtney, 2016win v Terrion Ware, 2017, decisionwin v Alfred Khashakyan, 2017, kowin v David Nuzzo, 2017, kowin v Irvin Veloz, 2017, kowin v Andre Soukhamthath, 2018, decisionloss v Marlon Vera, 2020, kowin v Eddie Wineland, 2020, kowin v José Alberto Quiñónez, 2020, kowin v Raulian Paiva, 2021, kowin v Kris Moutinho, 2021, kowin v Thomas Almeida, 2021, kowin v Petr Yan, 2022, decisionnc v Pedro Munhoz, 2022win v Aljamain Sterling, 2023, koloss v Merab Dvalishvili, 2024, decisionwin v Marlon Vera, 2024, decisionloss v Merab Dvalishvili, 2025, submissionwin v Aiemann Zahabi, 2026, kowin v Song Yadong, 2026, decisionresult not stated v August 19, 2023, no date on recordresult not stated v March 9, 2024, no date on recordresult not stated v September 14, 2024, no date on recordresult not stated v June 7, 2025, no date on record
WON ABOVE·LOST BELOW BAR = STOPPAGE·BROKEN BAR = SUBMISSION·TICK = DECISION 2015–2026 · 4 UNDATED
2020 win vs Mark Coates (2015)win vs Omar Avelar (2015)win vs Shane Sargent (2015)win vs Josh Reyes (2015)win vs Tycen Lynn (2016)win vs David Courtney (2016)win vs Terrion Ware (2017)win vs Alfred Khashakyan (2017)win vs David Nuzzo (2017)win vs Irvin Veloz (2017)win vs Andre Soukhamthath (2018)loss vs Marlon Vera (2020)win vs Eddie Wineland (2020)win vs José Alberto Quiñónez (2020)win vs Raulian Paiva (2021)win vs Kris Moutinho (2021)win vs Thomas Almeida (2021)win vs Petr Yan (2022)nc vs Pedro Munhoz (2022)win vs Aljamain Sterling (2023)loss vs Merab Dvalishvili (2024)win vs Marlon Vera (2024)loss vs Merab Dvalishvili (2025)win vs Aiemann Zahabi (2026)win vs Song Yadong (2026)
winlossdraw / NC2015–2026

Song Yadong

20102020win v Alateng Heili, 2013, decisionwin v Wulalibieke Baheibieke, 2013, decisionnc v Zhao Wuheng, 2013loss v Ji Xian, 2014, decisionwin v Zhao Yafei, 2014, decisionwin v Baasankhuu Damlanpurev, 2014, submissionloss v Giovanni Moljo, 2015, dqwin v Ok Rae-yoon, 2015, kowin v Shamil Nasrudinov, 2016, submissionloss v Renat Ondar, 2016, decisionwin v Vachagan Nikogosyan, 2016, koloss v Alexey Polpudnikov, 2016, kowin v Artak Nazaryan, 2016, kowin v Aleksander Zaitsev, 2016, decisionwin v Bharat Khandare, 2017, submissionwin v Makoto Yoshida, 2017, kowin v Edgars Skrivers, 2017, decisionloss v Renat Ondar, 2017, decisionwin v Vince Morales, 2018, decisionwin v Felipe Arantes, 2018, kodraw v Cody Stamann, 2019, drawwin v Alejandro Pérez, 2019, kowin v Marlon Vera, 2020, decisionwin v Julio Arce, 2021, kowin v Casey Kenney, 2021, decisionloss v Kyler Phillips, 2021, decisionloss v Cory Sandhagen, 2022, kowin v Marlon Moraes, 2022, kowin v Chris Gutiérrez, 2023, decisionwin v Ricky Simón, 2023, koloss v Petr Yan, 2024, decisionwin v Henry Cejudo, 2025, decisionwin v Deiveson Figueiredo, 2026, submissionloss v Sean O'Malley, 2026, decision
WON ABOVE·LOST BELOW BAR = STOPPAGE·BROKEN BAR = SUBMISSION·TICK = DECISION 2013–2026
2020 win vs Alateng Heili (2013)win vs Wulalibieke Baheibieke (2013)nc vs Zhao Wuheng (2013)loss vs Ji Xian (2014)win vs Zhao Yafei (2014)win vs Baasankhuu Damlanpurev (2014)loss vs Giovanni Moljo (2015)win vs Ok Rae-yoon (2015)win vs Shamil Nasrudinov (2016)loss vs Renat Ondar (2016)win vs Vachagan Nikogosyan (2016)loss vs Alexey Polpudnikov (2016)win vs Artak Nazaryan (2016)win vs Aleksander Zaitsev (2016)win vs Bharat Khandare (2017)win vs Makoto Yoshida (2017)win vs Edgars Skrivers (2017)loss vs Renat Ondar (2017)win vs Vince Morales (2018)win vs Felipe Arantes (2018)draw vs Cody Stamann (2019)win vs Alejandro Pérez (2019)win vs Marlon Vera (2020)win vs Julio Arce (2021)win vs Casey Kenney (2021)loss vs Kyler Phillips (2021)loss vs Cory Sandhagen (2022)win vs Marlon Moraes (2022)win vs Chris Gutiérrez (2023)win vs Ricky Simón (2023)loss vs Petr Yan (2024)win vs Henry Cejudo (2025)win vs Deiveson Figueiredo (2026)loss vs Sean O'Malley (2026)
winlossdraw / NC2013–2026

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