Lots of buzz in the wrestling world about Shaquille O'Neal taking part in Wrestlemania 33 in April, but it looks like that won't happen.

At last year's WrestleMania, O'Neal and the Big Show talked about getting together for a throw down at the Andre the Giant Memorial Battle Royal. Big Show later challenged Shaq to a match while at the ESPY Awards.

But we're hearing now Shaq is out. "That's probably right," O'Neal said on his most recent episode of The Big Podcast with Shaq when asked if the matchup had fallen through. "It's not my fault. That's all you need to know."

Big Show recently hinted that it's Shaq who is bailing out.

"He's a busy man, but if he's gonna step in the ring, in my business, at our biggest event of the year? Show me you're serious," he told WWE.com. "If anything, talk a little trash. Let me know you're motivated. Because right now? I just get the feeling he's terrified. He shot his mouth off, he's in over his head and he's trying to back out. So just let me know what's going on, brother."

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