John Cena to undergo an MRI scan on his left knee

Just after WWE Monday Night RAW, former WWE Champion John Cena announced on twitter that he will be undergoing an MRI scan on his left knee.

Here’s his tweet:

We sincerely hope that nothing’s serious there.

I am headed to grand rapids right now for early morn MRI on left knee. @wwe no matter what the result, I will be in the ring tomorrow!

— John Cena (@JohnCena) November 20, 2012