In a game that had no business being close, Lake Travis fought off the stubborn Mules and the bitter cold to advance to the state semifinals. Alamo Heights executed its plan to perfection, keeping Lake Travis’ juggernaut offense off the field for much of the first half. But the Cavaliers’ defense proved stingy as well, keeping the Mules off the board until Andy Erickson iced the game with a long touchdown run. Chapter 14.