Pac-12 forms alliance with Big Ten and ACC

The Pac-12 logo is seen on the field during the NCAAF game at Sun Devil Stadium on Nov. 9, 2019, in Tempe, Arizona. (Christian Petersen/Getty Images/TNS)

LOS ANGELES — The commissioners of the Pac-12, Big Ten and Atlantic Coast conferences made official Tuesday an alliance to chart a path forward for college athletics during an unprecedented time of “turmoil,” but the logistics of how the collaboration will play out remain a work in progress.