FRISCO - For the Big 12, progress comes in many forms. Case in point: Commissioner Bob Bowlsby only received a couple of joking references to the ghosts of expansion past at Big 12 media days Monday. More tangibly, two College Football Playoff appearances by Oklahoma in the last three years and significant increase in conference revenue have helped projected a stable image to a conference that most definitely needed one. "I thought it was perception previously," Bowlsby said.