Graf, who was mic'd up along with Agassi, Jim Courier and Monica Seles at a tennis event to raise money for Chile, made an innocent joke about Agassi being bald. Her husband met the line with a cold glare and then spit out: "This from a woman who hasn't given head in three years. Maybe if you put out, it would shock my system into growing hair again — ever think about that, bitch?"