Since Wang was in rookie ball last season before the Brewers plucked him from Pittsburgh in the Rule 5 Draft, Roenicke is trying to pick a spot. Only one other 21-year-old has pitched in the Majors this season: Miami's Jose Fernandez.
"I want Wang to pitch in a ballgame, I just can't find a place to put him in here that is fair to him," Roenicke said. "He may end up having to pitch in a game where it's tied and we're in the ninth inning. I don't know. But I don't want to do that."
Wang won his spot on the Opening Day roster by throwing strikes in Spring Training, so poise is not the concern, Roenicke said. Still, he prefers that Wang's Major League debut come in a low-leverage situation.
Wang was remaining patient.
"It's hard, but the only thing I can do is wait," Wang said through translator Jay Hsu. "This is a good time to see what other pitchers do, and learn. Maybe in the future I will use it."
Adam McCalvy is a reporter for MLB.com. Read his blog, Brew Beat, and follow him on Twitter at @AdamMcCalvy. This story was not subject to the approval of Major League Baseball or its clubs.