Last rodeo for Longhorn Network, the Texas venture with ESPN that once rattled the Big 12

A Longhorn Network flag is seen on a microphone prior to a news conference on Aug. 2, 2018, in Austin, Texas. Now with Texas set to join the Southeastern Conference, the Longhorn Network is set to quietly fold into the SEC network, shuttering a pioneering effort that briefly rocked not just the Big 12, but college football. (AP Photo/Eric Gay, File)

AUSTIN, Texas (AP) — When the Longhorn Network launched in 2011, the 20-year, $300 million partnership with ESPN set up Texas with its own 24-hour television showcase that sent shockwaves across college sports some say can still be felt today.