Matthew Muehlnickel takes no quarter for Lincoln-Way East. And he’s a factor on national scene. ‘Going great.’

Lincoln-Way East’s Matthew Muehlnickel is starting to lose count of how many national developmental camps he has attended. He had to pause before answering. “I think it’s been four or five times,” he said. The 6-foot-4 junior outside hitter might have had trouble recalling that number, but he has a pretty strong memory of how tough the competition was. And how well he has performed. “It’s a great experience,” Muehlnickel said. “It’s definitely great for my development. I’m playing against the top players in the country, so it’s super intense,...