Complex sentence: At Backlash, during the World Heavyweight Championship match, The Big Show interfered and threw the former champion, John Cena through a spotlight, resulting in Cena being incapacitated enough to lose the World Heavyweight Championship to Edge, as well as receiving storyline internal injuries.
Split into simpler sentences: At Backlash, during the World Heavyweight Championship match, The Big Show interfered and threw the former champion, John Cena through a spotlight. This left Cena sufficiently incapacitated to lose the World Heavyweight Championship to Edge, as well as receiving storyline internal injuries.