Complex sentence: In 1992, the vacant WWF World Heavyweight Championship was contested in the 1992 Royal Rumble match, eventually won by Ric Flair, while in 2016 Roman Reigns was scheduled to defend his WWE World Heavyweight Championship as a participant of that year's Royal Rumble match.
Split into simpler sentences: In 1992, the vacant WWF World Heavyweight Championship was contested in the 1992 Royal Rumble match, eventually won by Ric Flair. In 2016, Roman Reigns was scheduled to defend his WWE World Heavyweight Championship as a participant of that year's Royal Rumble match.