Complex sentence: Orton avoided the 619 and grabbed Mysterio in a rollup using ropes for leverage, which mean that Orton won the match and Rey's world title match at WrestleMania.
Split into simpler sentences: Orton avoided the 619 and grabbed Mysterio in a rollup using ropes for leverage. Orton went on to win the match and Rey's world title match at WrestleMania.