Complex sentence: Prior to the 2016-17 season, businessman Grisha Ganchev merged Chavdar Etropole, CSKA Sofia and Litex Lovech, subsequently renaming the entity in CSKA, which gained the Bulgarian Football Union's approval to compete in reformed First League.
Split into simpler sentences: Prior to the 2016-17 season, Grisha Ganchev merged Chavdar Etropole, CSKA Sofia and Litex Lovech. The new team gained the Bulgarian Football Union's approval to compete in reformed First League.