PAC-12 Championship preview … The weekend of big college football conference championships game get underway on Friday evening when Stanford plays Southern California in the PAC-12 title game in Santa Clara. Unfortunately, it doesn’t look like there is any realistic avenue for the PAC-12 champion to get an invite to the 4-team college football playoffs. Heck, the Cardinal and Trojans aren’t even playing for a spot in the Rose Bowl which will be one of this year’s national semi-finals. Still, pro scouts will likely be showing up in numbers for one more look at USC redshirt sophomore QB Sam Darnold, the consensus top prospect at the position for the 2018 draft, and just maybe the top prospect overall. Here’s our full preview of who to watch in the Pac-12 title game with an eye toward the 2018 draft.