There are 21 players with USA Basketball ties who will be taking the court this week as the NCAA Men's Tournament reaches the Sweet 16. Andrew and Aaron Harrison will be among the most-watched, as they try to help Kentucky close out a perfect season.

Dakari Johnson, a member of the 2012 FIBA U17 World Championship Team, is the third USA Basketball alum playing for Kentucky.

Justin Jackson, a gold medalist with the 2011 U16 National Team, is one of four USA Basketball players currently playing for North Carolina.

North Carolina's Theo Pinson has won two gold medals with USA Basketball, most recently at the 2014 Nike Hoop Summit.

Nate Britt of the Tar Hells participated in the 2012 USA Basketball Men's U18 training camp.

North Carolina's Joel Berry has won a pair of gold medals, most recently at the 2014 Nike Hoop Summit.

N.C. State's BeeJay Anya won gold as a member of the 2012 USA U17 World Championship Team.

University of Arizona freshman Stanley Johnson is a three-time gold medalist with USA Basketball, and he was the MVP of the 2014 FIBA Americas U18 Championship.

University of Arizona small forward Rondae Hollis-Jefferson competed at the 2012 FIBA 3x3 U18 World Championship in Alcobendas, Spain. Here, he participates in the Dunk Contest.

University of Arizona center Kaleb Tarczewski played for USA Basketball in the 2012 Nike Hoop Summit.

Tyus Jones, one of four USA Basketball players on this year's Duke University squad, has four gold medals, most recently at the 2014 Nike Hoop Summit.

Duke freshman sensation Jahlil Okafor has won four gold medals with USA Basketball, and he was honored as the 2012 FIBA U17 World Championship MVP.

Quinn Cook, the fourth Duke player with USA Basketball experience, has won three golds, most recently at the 2011 Nike Hoop Summit.

Duke freshman Justise Winslow has four gold medlas to his name and was honored as a member of the 2012 All-FIBA U17 World Championship Team.

Louisville's Montrezl Harrell has won two gold medals with USA Basketball, first in the 2012 FIBA Americas U18 Championship and then at the 2013 FIBA U19 World Championship.

Louisville's Shaqquan Aaron was a member of the 2011-12 USA Developmental National Team.

Wisconsin's Sam Dekker was a member of the 2012 USA U18 National Team that rolled to gold with a perfect 5-0 record at the 2012 FIBA Americas U18 Championship in Sao Sebastiáo do Paraiso, Brazil.

Notre Dame's Demetrius Jackson played for USA Basketball in the 2013 Nike Hoop Summit.

Larry Austin of Xavier was a member of the 2011-12 USA Developmental National Team, and won gold at the 2011 FIBA Americas U16 Championship.

UCLA's Tony Parker is a two-time gold medalist with USA Basketball, first at the 2009 FIBA Americas U16 Championship in Mendoza, Argentina, and then at the 2010 FIBA U17 World Championship in Hamburg, Germany.