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KSW 123 in Szczecin on Nov. 21 has Hir replacing injured Krt against Szczepaniak, Kazieczko facing debutant Danylko, and two titles on the line.
From 6 reports by 5 outletsLatest Hir replaces injured Krt against Szczepaniak at 79 kg ·2 updates ·5 outlets
What we know
- KSW 123 takes place Nov. 21 at Enea Arena in Szczecin.
- Adrian Bartosiński defends the welterweight title against Tymoteusz Łopaczyk, and Valeriu Mircea faces Marcin Held for the vacant lightweight title, both over five rounds.
- Kazieczko vs Danylko is a lightweight bout at 70.3 kg (155 lb) and is not a title fight or title eliminator.
- Steven Krt withdrew from KSW 123 with a knee injury; KSW gave no further medical details.
- Hir vs Szczepaniak is a 79 kg catchweight bout scheduled for three five-minute rounds.
- Danylko is on a four-fight winning streak and makes his KSW debut.
Reported, not confirmed
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Other announced bouts: Madars Fleminas vs Mateusz Pawlik (welterweight), Tomasz Romanowski vs Igor Michaliszyn (middleweight), Wojciech Kawa vs Oleksandr Moisa (lightweight).
MiddleEasy
A KSW veteran on a cold streak meets a finisher who has never fought in the promotion. Maciej Kazieczko faces Bohdan Danylko at KSW 123 in Szczecin, a matchup that tests whether experience still counts against a fighter arriving in form.
Kazieczko is 33 and has fought for KSW since 2016, with thirteen fights in the cage. He challenged Marian Ziółkowski for the lightweight title in April 2021 and lost by second-round submission. His last win was a third-round knockout of Francisco Barrio in November 2022. Since then he has lost to Leo Brichta by split decision, to Welisson Paiva by third-round punches, and to Adam Masaev by first-round rear-naked choke last November. The name still carries weight: two knockout-of-the-night bonuses, two fight-of-the-night bonuses, and a finish of Michael Dubois regarded as one of the most spectacular in KSW history.
Danylko, 26, turned professional in 2023 and has fought for Strife, FEN and Babilon MMA. Six of his eight wins came by finish, five of them first-round knockouts. He submitted Patryk Likus, a former KSW fighter, in September. KSW signed him as a featherweight/lightweight, and his official fighter page lists him at lightweight.
The card changed on Oct. 28. Steven Krt withdrew with a knee injury, and Michał Hir steps in against Oskar Szczepaniak in a 79 kg catchweight bout over three rounds. Hir is 26 and all five of his wins came by knockout, but his only KSW appearance, against Mateusz Wieczorek at KSW 118 in May, ended in a unanimous-decision loss. Szczepaniak has been out since a second-round submission loss to Daniel Skibiński at KSW 109 in August 2025, and before that he was stopped in the first round by Tymoteusz Łopaczyk.
Both fights sit under two title bouts. The lightweight division has been in flux since former champion Salahdine Parnasse moved to UFC, which is why Mircea and Held are fighting for the vacant belt.
Watch how Danylko handles the step up to a KSW cage, and whether Kazieczko can end his losing run with the kind of knockout that earned his bonuses. Seven bouts are named so far, and more changes before fight night are possible.
Kazieczko is 33 and has fought for KSW since 2016, with thirteen fights in the cage. He challenged Marian Ziółkowski for the lightweight title in April 2021 and lost by second-round submission. His last win was a third-round knockout of Francisco Barrio in November 2022. Since then he has lost to Leo Brichta by split decision, to Welisson Paiva by third-round punches, and to Adam Masaev by first-round rear-naked choke last November. The name still carries weight: two knockout-of-the-night bonuses, two fight-of-the-night bonuses, and a finish of Michael Dubois regarded as one of the most spectacular in KSW history.
Danylko, 26, turned professional in 2023 and has fought for Strife, FEN and Babilon MMA. Six of his eight wins came by finish, five of them first-round knockouts. He submitted Patryk Likus, a former KSW fighter, in September. KSW signed him as a featherweight/lightweight, and his official fighter page lists him at lightweight.
The card changed on Oct. 28. Steven Krt withdrew with a knee injury, and Michał Hir steps in against Oskar Szczepaniak in a 79 kg catchweight bout over three rounds. Hir is 26 and all five of his wins came by knockout, but his only KSW appearance, against Mateusz Wieczorek at KSW 118 in May, ended in a unanimous-decision loss. Szczepaniak has been out since a second-round submission loss to Daniel Skibiński at KSW 109 in August 2025, and before that he was stopped in the first round by Tymoteusz Łopaczyk.
Both fights sit under two title bouts. The lightweight division has been in flux since former champion Salahdine Parnasse moved to UFC, which is why Mircea and Held are fighting for the vacant belt.
Watch how Danylko handles the step up to a KSW cage, and whether Kazieczko can end his losing run with the kind of knockout that earned his bonuses. Seven bouts are named so far, and more changes before fight night are possible.
- Summary
- KSW 123 in Szczecin on Nov. 21 has Hir replacing injured Krt against Szczepaniak, Kazieczko facing debutant Danylko, and two titles on the line.
- Key points (one per line)
- Michał Hir replaces Steven Krt, who withdrew with a knee injury, against Oskar Szczepaniak at 79 kg.
Maciej Kazieczko, on a three-fight losing run, faces KSW newcomer Bohdan Danylko at 70.3 kg.
Bartosiński defends the welterweight title against Łopaczyk; Mircea meets Held for the vacant lightweight belt.
- Also reported by (Name | URL per line)
- InTheCage | https://inthecage.pl/maciej-kazieczko-wroci-do-klatki-na-gali-xtb-ksw-123-w-szczecinie/
X: @KSW_MMA | https://x.com/KSW_MMA/status/2114289225973530714
X: @Janekzatm | https://x.com/Janekzatm/status/2114428990970818589
MiddleEasy | https://middleeasy.com/mma-news/maciej-kazieczko-bohdan-danylko-ksw123-szczecin/
Pos-Luta | https://posluta.com/ksw-123-tera-defesa-de-cinturao-de-bartosinski-e-disputa-do-titulo-vago-dos-leves-em-szczecin/
MiddleEasy | https://middleeasy.com/mma-news/michal-hir-oskar-szczepaniak-steven-krt-ksw123-replacement/
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KSW@KSW_MMAIn the story
Maciej Kazieczko 🇵🇱 will face KSW newcomer Bohdan Danylko 🇺🇦 in a lightweight bout. Expect fireworks. 🔥
Oct 26 · View on X
KSW@KSW_MMAIn the story
🚨 New signing alert!
Oct 25 · View on X
FightPulse@JanekzatmNews
Maciej Kazieczko vs Bohdan Danylko
Lightweight bout
21 November XTB KSW 123 Szczecin
Maciej Kazieczko 🇵🇱 will face newcomer Bohdan Danylko 🇺🇦 in a lightweight bout. Expect fireworks. 🔥
#KSW #ksw123 #Polandmaxxing #UFC333 #viral #foryou #fyp
Oct 25 · View on X
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Bohdan Danylko
Maciej Kazieczko
Oskar Szczepaniak
Adrian Bartosinski

