Staph infections are no joke. If your job involves grappling — without a gi — while covered in abrasions from punches and kicks, you have to keep on the look out for small staph infections, before they get big.
And if you’re the kind of guy who volunteers to hop in the Octagon, you’re probably not quick to run to the doctor for a painful pimple.
This behavior leads to the top ten staph infections in MMA history. For your own sanity, do not follow the link.