That is what makes the SEC network different.... CBS gets first pick each week but after that ESPN controls the rest of the lineup. Now I'm sure some games will still be on ESPN/ESPN2 but I will be shocked if very many end up on espnU. I would expect a majority to go to the SEC network. Having one company (espn) control the vast majority of the games each week is what makes the SEC network different imo. For example: http://outkickthecoverage.com/sec-network-launches-with-texas-am-at-south-carolina.php
And to add. This is exactly how the SEC network will market the channel to providers. Get ready for "the only way you see so and so play is to get the SEC network. Please call your local provider."