John Cena has posted the following updates on Twitter:
MRI was typical good news bad news scenario. I've dealt with knees issues for the past few yrs, ill add one more to that list…..
— John Cena (@JohnCena) November 20, 2012
I know the risks of what can happen to me and I'm willing to play the odds. #nevergiveup c u 2nite grand rapids
— John Cena (@JohnCena) November 20, 2012