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USC added another big-time prospect to its 2021 defensive back class Tuesday as 4-star Bishop Alemany High School standout Jaylin Smith announced his Trojans commitment.

Smith is being recruited as a cornerback/nickel (and also a potential return specialist), checking off a major need for USC in this 2021 class.

We take a closer look at what Smith's commitment means for the Trojans, and Rivals recruiting analyst Adam Gorney gives his scouting report on the local standout.

RELATED: Full story on Jaylin Smith's USC commitment announcment

The Trojans signed no defensive backs of any kind in their small 2020 class, so addressing the secondary was a primary need for USC this cycle.

The program did well in securing early commitments from 4-star safeties Calen Bullock, Anthony Beavers and Xamarion Gordon, but Smith is the first cornerback to join the class.

He's a highly-versatile prospect who could just as easily play safety at the next level, but USC likes him as a potential corner or nickel. He's also expected to get a look as a return specialist as another way to feature his play-making potential.

The Trojans certainly aren't done at cornerback, meanwhile. Look for them to add further at the position. There are a handful of names still in play, but 4-star prospects Nathaniel Wiggins (Atlanta, Ga.) and Ceyair Wright (Loyola HS) are a couple of priority targets to keep an eye on in particular.

While Smith is the first cornerback commit in this class, he's one of several commits already for CBs coach Donte Williams, who also played a lead role in the recruitments of Beavers and 4-star linebacker Julien Simon.

As for the cornerback depth chart at USC, the Trojans enter 2020 led by the nucleus of junior Olaijah Griffin, sophomore Chris Steele and redshirt sophomore Isaac Taylor-Stuart, with sophomores Dorian Hewett, Jayden Williams and redshirt freshman Adonis Otey behind them.

By the time Smith gets to campus, it's possible one of those top three corners is already gone, but likely by the end of the 2021 season those spots will be turning over. So whichever corners the Trojans land in this class should have an opportunity to compete early in their college careers for a major role.

Overall, here's how USC's 2021 recruiting class stands so far with 17 commitments, including 12 4-stars and 11 Rivals250 prospects: 4-star WR Quaydarius Davis (Dallas, Texas/No. 23 overall national prospect), 4-star QB Jake Garcia (La Habra HS/No. 25), 4-star QB Miller Moss (Mater Dei HS/No. 91), 4-star OLB Ma'a Gaoteote (Las Vegas, Nev./No. 93), 4-star ATH/LB Julien Simon (Tacoma, Wash./No. 108), 4-star S Calen Bullock (Muir HS/No. 119), 4-star RB Brandon Campbell (Houston, Texas/No. 173), 4-star ATH/CB Jaylin Smith (No. 198), 4-star ATH/S Anthony Beavers (Narbonne HS/No. 199) and 4-star S Xamarion Gordon (Warren HS/No. 228), 4-star WR Michael Jackson III (Las Vegas, Nev./No. 234) along with 4-star DT Jay Toia (Grace Brethren HS), 3-star DE Colin Mobley (Baltimore, Md.), 3-star OL Mason Murphy (JSerra HS), Maximus Gibbs (St. John Bosco HS) and Saia Mapakaitolo (Bishop Alemany HS), and 3-star TE Lake McRee (Austin, Texas).

The wave of commitments slowed over the last few weeks, and that's natural as USC already has the bulk of its recruiting class in place. Look for the Trojans to hold out for their top remaining targets, some of whom are planning to play out the process before making any decisions/announcements.

Rivals recruiting analyst Adam Gorney gives his breakdown of Smith's potential and how he saw his recruitment unfold.

What do you like most about Jaylin Smith as a prospect?

Gorney: "What stands out most about him is he's a true athlete. He can really play both sides of the ball -- very good on offense, very, very good on defense. He has a lot of burst and athleticism and he's definitely developing physically, so he is a kid that can play corner, can move to safety if needed, is just kind of a plug and play kid where no matter where you need him on the field he's going to be able to really just kind of step in and be an immediate help for you. That's what I like most about him.

"As a corner prospect, he's aggressive, he can run, he's very fast. He's built too -- he's not like a big kid who's jacked up, but you can tell he's definitely been in the weight room. He can definitely move, and I think he's a kid who like I said fill any number of needs you have on either side of the ball for you."