Back On The Mound

Read Wright Thompson's story: Zack Greinke is alone, something that seems to both comfort and frighten him. The normally busy baseball facility has gone silent. Just green grass and brown dirt and white chalk — the simple things that have always drawn him to the game.

When the young Royals pitcher speaks, his voice is quiet but strong. "Most people who have my problem have it when they're by themselves," he says.