"We talked about it again today," Roenicke said. "You don't want to have so many that it's uncomfortable, but you don't want to be short when you come down to whether it's extra innings or now, because everyone has callups, the matchups in the bullpens become a lot [more frequent] and you use more guys."
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.