The Polish promotion announced the pairing on Monday. KSW 67 takes place in Warsaw, Poland, and will also see Andrzej Grzebyk face Adrian Bartosinski in the welterweight co-main event.Additionally, a light heavyweight clash pitting Ivan Erslan against Hasan Mezhiev was also confirmed for the card.
De Fries in in the middle of an eight-fight winning streak that dates back to October 2017 and include triumphs in KSW, Bellator and M-1 Global. Most recently, the five-time UFC veteran defeated Tomasz Narkun via second-round TKO in a rematch at KSW 60 last April.
Stosic, meanwhile, has won three consecutive bouts since signing with KSW following a 1-3 stint in the UFC. After scoring finishes of Michal Wlodarek and Michael Kita in his first two promotional appearances, Stosic defeated Michal Andryszak via split decision in his most recent outing at KSW 63.