Complex sentence: On January 27, John Cena won the 2013 Royal Rumble match, making him the fourth multiple Rumble winner, and earning himself either a WWE Championship or World Heavyweight Championship match at WrestleMania 29.
Split into simpler sentences: On January 27,2013, John Cena won the 2013 Royal Rumble match, making him a two-time Rumble winner. In doing so, he earned a WWE Championship or World Heavyweight Championship match at WrestleMania 29.