Former Kentucky quarterback Will Levis is heading into a big second season in the NFL with the Tennessee Titans. With a new head coach (Brian Callahan) and offensive coordinator (Nick Holz), the former Penn State transfer is hoping for a big season in Nashville as training camp heats up and the first full preseason weekend is off and running. On Saturday evening, the Titans will host the San Francisco 49ers in their first preseason game of the Callahan era. Before that arrives, Will Levis got to have a little fun with CBS Sports’ Evan Washburn on Thursday. Who is Will Levis’ all-time Kentucky …