Complex sentence: Although Funk was considered as a potential replacement for Pat O’Connor as NWA world heavyweight champion, not long after the NWA made Buddy Rogers champion instead, the Amarillo office chose to recognize Gene Kiniski as champion instead.
Split into simpler sentences: Although Funk was considered as a potential replacement for Pat O’Connor as NWA world heavyweight champion, the NWA decided to go with Buddy Rogers as champion. The Amarillo office then chose to recognize Gene Kiniski as champion instead.