National Signing Day marks an important milestone in the college football season, but some recruits choose not to wait until then to get started.
Early enrollment is an opportunity for collegiate newcomers to acclimate to campus and integrate into the lineup during spring practices.
A few potential instant-impact recruits are enrolling at their chosen Pac-12 universities in the coming weeks. Look for them to make a splash in the offseason.
Star ratings are via 247Sports.com composite rankings.