Ryback pulled from this Sunday's Battleground event.

What was initially reported by WWE as a right knee injury for "The Big Guy" following Monday Night Raw this week, it seems things got a little more complicated when he was diagnosed as a staph infection as well. WWE is describing the infection as "severe" but he'll make a complete recovery in the coming weeks. Ryback offered some words for his fans on Twitter:

After Raw Monday I woke up Tuesday morning before some media appearances with a severe staff infection in my right knee. I was brought to a

— The Big Guy (@Ryback22) July 16, 2015

Hospital and put on strong antibiotics and had 90 cc of fluid drained out of knee in a 24 hour period. We caught it in time thanks to the

— The Big Guy (@Ryback22) July 16, 2015

Great WWE medical team and I will make a full recovery. Will be kept in the hospital for several days and I will not be able to defend my

— The Big Guy (@Ryback22) July 16, 2015

Intercontinental Championship this Sunday. I am sorry to all my fans and the WWE. I will be back shortly, but I have to get this corrected.

— The Big Guy (@Ryback22) July 16, 2015

We'll keep you updated on any developments.