The media learned that Shogo Akiyama participated in the World Baseball Classic with a fracture in his right fifth toe (pinky). He suffered the fracture when he was hit by a pitch during a practice game against Hanshin on March 3. The Seibu Lions were notified immediately after Samurai Japan found out he was hurt.
[UPDATE 3/26 @ 9:19pm]
According to reports posted this morning, the fracture was in the fourth toe (the toe next to the pinky).