Most people think of AIDS as being transmitted sexually or through intravenous drug use. There are few actual cases of anyone contracting the virus in other ways. However, there is the case of two brothers. One of the brothers had advanced symptoms of AIDS. The other brother was not infected at all with the deadly disease. Then one day the two brothers got into a very violent fight. The infected brother continuously smashed his head against his brother's head. Both men bled a great deal into each other's exposed wounds. Soon after this episode the non-infected brother tested positive for the virus.

It is stories like these that have caused the medical community to revisit how they view sports. The Center for Disease Control di…