Supports Ben Simmons' Decision To Sit Out

The Miz shouldn't expect an honorary key to Philadelphia anytime soon ever ... 'cause the WWE Superstar just took a giant dump on the City of Brotherly Love, telling fans he totally gets why 76ers star Ben Simmons wants out of dodge.

WWE's "Monday Night Raw" was in town at the Wells Fargo Center -- the Sixers home arena -- when The Miz addressed fellow star wrestler, Edge, and chose to take a dig at Philly.

"After looking at this crowd I can say with the upmost conviction that I stand with Ben Simmons," Miz said. "I too would give up $33 million dollars just to not play in this crap city."

"I mean have you seen yourselves," he continued, "Can you blame him?"

Of course, The Miz -- one of WWE's…