Big 12 open to further expansion if 'opportunity presents itself' Posted Jun 5, 2023 The Big 12 Conference is happy with its current membership but remains open to expansion, commissioner Brett Yormark said Friday, leaving the possibility of further realignment beyond the four new schools the conference is set to add on July 1. The Big 12 has been at the center of seismic conference changes across the Football Bowl Subdivision. (USA Today)