Big 12 eyeing Brett Yormark, executive at Jay-Z's Roc Nation, as next commissioner | CBS Sports Headlines Big 12 eyeing Brett Yormark, executive at Jay-Z's Roc Nation, as next commissioner Yormark has more than two decades of experience in sports, but none at the college level ESN FeedsThis post was … Continue reading Big 12 eyeing Brett Yormark, executive at Jay-Z's Roc Nation, as next commissioner