When Kevin Sumlin rolled into College Station for the 2012 season and went 11-2 with a win in the Cotton Bowl behind the playmaking of Heisman-winning quarterback Johnny Manziel (and five other first-round picks in the offensive two-deep alone), it felt like college football had been turned on its head. Sumlin and Manziel had led them to the first top five finish for the Aggies since Bear Bryant strolled the sidelines. It was their first win in a New Years Six bowl since the mid-80s. Hell, Texa…