Zeller is currently a free agent, his most recent NBA stint was a 42-game spell with the Brooklyn Nets last year. The former ACC Player of the Year and 2009 national champ was a member of the USA Select team of college players that trained against the full national team back in 2010.
Berry is currently playing for the South Bay Lakers of the G-League, where he's averaging 8 points and a couple assists per game in the early season.
Zeller and Berry will join their USA teammates in Houston for training at the Rockets facility from November 23-25, then they'll travel to La Rioja, Argentina, for a game on November 29 followed by a game vs Uruguay in Montevideo on December 2.
See the full U.S. roster here.