All offseason, Jonah Booker has been predicting a big season for Ohio State fourth-year junior running back Demario McCall.With the recent news that McCall has established himself as the primary backup to starter J.K. Dobbins, it looks like JBook will be on the money with that prediction.JBook joins Dave Biddle on today's show to discuss that, plus:* How does the overall depth at RB now look for the Buckeyes this season?* How much might OSU rotate on its offensive line, especially early in the year?* Were there any surprises coming out of camp in terms of positional battles?All of that and more is coming at you on the Friday extravaganza.To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policyLearn more about your ad choices. Visit https://podcastchoices.com/adchoices