Gordon played for the U.S. national team during its gold-medal run at the 2010 world championships. He averaged 8.6 points and finished second on the team in triples made (19) and 3-point percentage (45.2 percent).
The 30-year-old was initially named to Team USA's 20-player pool in June. Of the 17 remaining players from that list, only four have Olympic or world championship experience with the senior team.
Gordon was the NBA's Sixth Man of the Year in 2017. He averaged 16.2 points on 40.9 percent shooting across 68 appearances last season.