A highly-placed official from a Big 12 school confirmed Friday that Texas, Texas Tech, Oklahoma and Oklahoma State will join the Pac-10 Conference once formal offers are made to them, but said that Texas A&M officials remain on the fence between joining the Pac-10 or the SEC. "The decision has been made," the official told the American-Statesman. "We’re bringing everybody to the Pac-10 but A&M." The official said the Aggies have a 72-hour timetable to decide whether to accept the Pac-10’s offer. The official also said those formal offers could be made over the weekend.Austin American-Statesman: UT, Tech, OU, OSU to the Pac-10, but Aggies "sitting on the fence" As expected.