The Big 12 kicked off Talking Season in college football by proclaiming itself among the three best conferences in all of the sport. Commissioner Brett Yormark said exactly that after raiding the Pac-12 for some of its parts and stealing their venue at Allegiant Stadium. “We solidified ourselves as one of the top three conferences in America,” Yorkmark said. “There has never been a better time than right now to be part of the Big 12. We are truly a national conference in 10 states, four time zones and all eyes are now on the Big 12 for all the right reasons. I think it’s safe to say we are mor…