The moss-green scoreboard stares down from center field. The ivy, not yet lush and vital, scales the outfield walls. The third-base dugout reads “Chicago Cubs,” but purple flags with white “N”s...

The moss-green scoreboard stares down from center field. The ivy, not yet lush and vital, scales the outfield walls. The bleachers, near-empty on this day, look every bit their age. The third-base dugout...