Potential SPOILER Alert about WrestleMania XXX Main Event

Hey guys, be Careful before You read this Potential Spoiler about the Main Event At WrestleMania.
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I've Warned You, now go down and read at your Own Risk
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Randy Orton is leaving WrestleMania XXX as World Heavyweight Champion. Don't believe me? And even if you do, you will have 1 Question in mind.
"How is he so sure? Who told him??"
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I tell you who spoiled my excitement . It's WWE itself.
WWE told that Randy Orton will still be WWE (World Heavyweight) Champion after WrestleMania because as advertised on Smackdown and many other shows, Randy Orton is going to defend His Championship against John Cena when WWE visits Riyadh, Saudi Arabia on April 17th, 2014.

WWE is fool enough to tell us about the result which I was so excited about.