A new era at USC, and perhaps in the Pac-12 conference.

The Trojans have been the talk of all of college football since Lincoln Riley arrived from Oklahoma, and the momentum he has built on the recruiting trail has only picked up of late. In advance of Wednesday’s National Signing Day, USC officially announced the transfer addition of quarterback Caleb Williams, the top-ranked transfer this cycle by 247Sports. Williams’ addition to the class Riley has put together since taking over as head coach shot USC into the top-10 nationally for overall classes and to the No. 1 spot in transfer class rankings.

The Trojans signed the bulk of their class during the Early Signing Period in December, but have added a number of high-profile transfers since then.

On Wednesday, USC introduced that group with quite the video.

That includes Riley gushing over the resources available to SC, FOX college football analyst Joel Klatt suggesting the dominoes of Riley’s immediate recruiting success could be far-reaching, and ESPN’s Pete Thamel saying we could be experiencing an “axis shift” in college football.

Of course, that’s a lot to put at the feet of the Trojans right away. They are, after all, coming off a 4-8 season and will need to prove some things on the field once the games start. But, no doubt, there’s a tremendous amount of excitement in Los Angeles and anticipation from the rest of the country over what’s potentially coming from Riley and the Trojans.