Playing on college field, Seth Gilliland gets through tough inning for Waubonsie Valley. Then? ‘Shut them down.’

Playing on college field, Seth Gilliland gets through tough inning for Waubonsie Valley. Then? ‘Shut them down.’

BLOOMINGTON — Waubonsie Valley pitcher Seth Gilliland looked around at his surroundings Monday night and saw a glimpse of his future. Then the senior left-hander went out and treated the crowd to a stirring final memory of a high school career that ended a couple games earlier than he would have liked. “Coming into the field, it was pretty cool seeing everyone lined up waiting to see this game,” Gilliland said. “As we were warming up, it’s like,…