By Zach Barnett The Pac-12 will pursue expansion, but who out there is worth pursuing? And would they even come? We’re now more than 24 hours removed from USC and UCLA’s departure from the Pac-12 to the Big Ten, and it still feels no less weird. Imagine Major League Baseball trying to move on without the New York Yankees and the Boston Red Sox. Either way, the Pac-12 can either move forward or shrivel and die, and the league is choosing the former. The conference confirmed in statement Friday it is pursuing expansion opportunities. The question, of course, is who. It’s unlikely to the point of…