the guy apparently had a really awful staph infection recently that just about killed him. Some MMA sites reporting his illness:

King Mo Lawal Details 12-Day Hospital Visit For Potentially Life-Threatening Staph Infection

Muhammed "King Mo" Lawal Talks Positive Steroid Test And Staph Infection - MMA Other Video

At this time prayers and well wishes seem appropriate, even if he seems to have pulled through the worst of it.