Complex sentence: Adamchuk is the current Glory Featherweight Champion, he won the title against from the previous champion Gabriel Varga at and defended the title against Mosab Amrani becoming the first fighter to successfully defend the Glory featherweight title.
Split into simpler sentences: Adamchuk is the current Glory Featherweight Champion having defeated the previous champion Gabriel Varga at. He defended the title against Mosab Amrani and thus became the first fighter to successfully defend the Glory featherweight title.