Complex sentence: At the event, he "stepped into the ring", cut a promo, and then announced he would have his debut match on the October 11 "SmackDown"; however, the scheduled match was bumped from the show due to time constraints.
Split into simpler sentences: At the event, he "stepped into the ring", cut a promo, and then announced he would have his debut match on the October 11 episode of "SmackDown". However, the scheduled match was bumped from the show due to time constraints.