Complex sentence: Jarrett faced Aldo Montoya on the April 8 edition of "Superstars of Wrestling" in a non-title bout, where Jarrett accidentally pinned himself (he never lifted his shoulder off the ground after a back suplex).
Split into simpler sentences: Jarrett faced Aldo Montoya on the April 8 edition of "Superstars of Wrestling" in a non-title bout. He lost the match after accidentally making Jarrett pin himself (he never lifted his shoulder off the ground after a back suplex).