The following fighters were awarded bonuses: KSW 39: Colosseum was a mixed martial arts event held by Konfrontacja Sztuk Walki on May 27, 2017 at the PGE Narodowy in Warsaw, Poland.
Former KSW Heavyweight Champion, Karol Bedorf, tore his Achilles' tendon and was unable to fight Michal Kita.
The following fighters were awarded bonuses: KSW 41: Mankowski vs. Soldic was a mixed martial arts event held by Konfrontacja Sztuk Walki on December 23, 2017 at the Spodek in Katowice, Poland.
Dricus du Plessis is out of the KSW 41 main event due to a hand injury and Borys Mankowski will defend his welterweight title against Roberto Soldic.
Kleber Koike Erbst didn't make weight, the KSW featherweight belt is vacated.