Here are the latest picks for the ACC, Big Ten, Big 12, Pac-12 and SEC:ACC – Clemson (89.5 percent)Big 12 – Oklahoma (77.5 percent)Big Ten – Ohio State (63.8 percent)Pac-12 – Oregon (56.3 percent)SEC – Alabama (46.2 percent) Oklahoma should feel comfortable about its chances of winning the Big 12. A victory over Texas in the coming weeks would all but solidify its run to the conference title game.As for the Pac-12, Oregon is still hovering over 50 percent through the first month of the season. Justin Herbert and the offense have found their rhythm ever since losing to Auburn.The lowest percentage for ESPN’s conference champions comes in the SEC. Alabama’s odds are lowered due to the surplus of powerhouses in the conference, such as Auburn, Georgia and LSU.Who are you picking to win each major conference? BRISTOL, TN – SEPTEMBER 10: ESPN’s Lee Corso and Kirk Herbstreit on set during College Gameday prior to the game between the Virginia Tech Hokies and the Tennessee Volunteers at Bristol Motor Speedway on September 10, 2016 in Bristol, Tennessee. (Photo by Michael Shroyer/Getty Images)ESPN’s Football Power Index has updated its conference champion predictions for the major leagues following the first month of the season.Through the first month of the season there have been several impressive programs, but there will only be five major conference champions later this year.While Clemson appears bound to win a lackluster ACC, the other major conferences appear up for grabs. In fact, the current percentages from ESPN’s FPI have gone down for the current SEC favorite – Alabama.On the flip side, the chances of Ohio State winning the Big Ten have increased dramatically.