McDonald's All-American Game Rosters 2018: RJ Barrett, Shakira Austin Headline

The rosters for the 2018 McDonald's All-American Game were released Tuesday, and R.J. Barrett and Zion Williamson lead the boys' team while Christyn Williams and Shakira Austin headline the girls' team.

Here's the full list of players competing in the annual college prospect showcase, via McDonald's All American Games:

Barrett, a native of Mississauga, Ontario, is the top-ranked recruit in the 2018 class, per 247Sports' composite ratings. The Canadian is already committed to play for head coach Mike Krzyzewski at Duke next season.

Blue Devils fans will get a taste of what their next dynamic duo looks like in the McDonald's All-American Game. Pennsylvania's Cameron Reddish, ranked as the No. 2 prospect, will play in the showcase along with Barrett before both put on a Duke uniform.

Williamson is the top uncommitted recruit at No. 3 overall. The star from Spartanburg Day School in South Carolina is expected to announce his college decision Saturday, per Matt Connolly of The State.

On the girls' side, Williams is a 5'11" guard from Arkansas who is rated as a 5-star prospect by ESPNW. She will add another star-level talent to Connecticut's roster next year. Austin is also a 5-star talent who has committed to the University of Maryland, staying in-state.

The 2018 McDonald's All-American Games will be played March 28 at Philips Arena in Atlanta.