Team USA basketball alternates: How does it work if a player gets hurt?

COLORADO SPRINGS, CO - MAY 25: Caitlin Clark #172 of West Des Moines, Iowa grabs a drink of water while participating in tryouts for the 2018 USA Basketball Women's U17 World Cup Team at the United States Olympic Training Center in Colorado Springs, Colorado. Finalists for the team will be announced on May 28 and will remain in Colorado Springs for training camp through May 30. (Photo by Marc Piscotty/Icon Sportswire via Getty Images)