Someone leaked a memo of things that WWE wrestlers aren't allowed to do at live shows. Like no piledrivers.

The Undertaker still gets to do them, but the WWE has mostly banned them ever since the late Owen Hart broke Steve Austin's neck with one.

Also, no low blows. And if you want to use chairs, tables, or other objects, that has to be approved by a producer ahead of time.

Wrestlers aren't allowed to just grab a microphone and talk, which in wrestling is called a promo. If they want to talk, they have to have whatever they're going to say pre-approved.

If you think it all sounds very boring, remember that WWE is TV-PG these days.

Here's the full memo:

Read more at Metro.