Frank Thomas will work as baseball analyst for Fox Sports 1

"I can't cut Chicago any slack if they're not playing well," he said. "I've got to call it like I see it. But we'll have fun. I'll be more of a positive guy,

Frank Thomas has worked the past three seasons on local broadcasts for Comcast in Chicago :: Jonathan Daniel/Getty Images

"I can't cut Chicago any slack if they're not playing well," he said. "I've got to call it like I see it. But we'll have fun. I'll be more of a positive guy, 80 percent of the time. Every now and then I might need to say something to get a guy jump-started."