Complex sentence: After defeating Crockett in the ratings war, McMahon created the Royal Rumble, an event airing for free on the USA Network in January 1988, which set a ratings record for the network with eight million households tuning in to watch the event.
Split into simpler sentences: After defeating Crockett in the ratings war, McMahon created the Royal Rumble, an event airing for free on the USA Network in January 1988. The event set a ratings record for the network with eight million households tuning in to watch the event.