MOOSIC, Pa. — Brandon Drury never thought about the danger. In 1,065 major league-plate appearances, not once did he weigh the wisdom of standing in against the literal blur of 100 mph fastballs thrown his way. Another thought consumed him instead.



If he’d been good enough to hit in the big leagues when the baseballs looked fuzzy, how much better could he be if he could see with clarity?



“Every single day, bro,” Drury said as he prepared for a game last week. “Every day, I would think about that.”



He thinks about it still. The blurriness that afflicted him for years is gone. He can see clearly now. But he must wait and wonder in the minor leagues, his future clouded by factors outside his control. The Yankees traded for the 25-year-old Drury this spring and installed him as their third baseman. Four months later, he wears the uniform of the Scranton/Wilkes-Barre RailRiders, the Class AAA team’s SWB stitched onto his...