Glaucoma

Baltimore's Super Fan

Baltimore's Super Fan

Visiting almost any big Baltimore area high school game and a visitor may hear a familiar voice shout, "C'mon, defense; shut 'em down!" above the chatter of players, spectators and officials. The source: a bespectacled, clean-shaven bald man with an engaging smile, pacing about the gym in worn, black leather boots, sometimes pausing to speak with fans who root for their teams.

A father of three boys and a girl who are adults now, Craig Williams — better known as "Mr. Let Me At Em' " — is the man beneath the t-shirts shouting to fans and players with his unmistakable tenor voice. His eyes might be slowly degrading from glaucoma, but the 57-year-old Easton,...