Jeremiah Paprocki has come a long way to become the Chicago Cubs’ new public address announcer at Wrigley Field this week. It also has been a journey of only about 5½ miles that began seven years ago. That’s the distance separating Wrigley Field from Chicago International Charter School-Northtown Academy on West Peterson Avenue, where Paprocki, 21, first got behind the microphone. Paprocki .