""I would just caution you and say, I would not take expansion as a given," Boren said after the university regents meeting on Oklahoma's campus in Tulsa. "I'm not saying there won't be expansion. But I'm not saying it can be automatically assumed that there will be expansion.""

http://www.espn.com/college-football/story/_/id/17549405/oklahoma-president-boren-says-big-12-expansion-not-sure-thing