Rey Mysterio tweeted earlier this afternoon that he's received the MRI results on his knee and will need surgery to repair it.

"Buenas tardes. Siento mucho el tener que dejarlos sin mi presencia en el ring por UNOs meses! Sirugia8/26 le pido a dios qca la ultima!619!"

The above tweet says he'll be undergoing knee surgery next Friday (August 26th) and will be out several months.

Mysterio also tweeted:

"Sorry4 the let down! Promise to make it back as soon as possible!Gonna miss what I luv most-ENTERTAINING U's!619"

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