Kyle Russell put 26 points on the scoreboard, but it was not enough for Berlin to get a win over Düren.
Jeff Jendryk scored 10 points in his professional debut for Berlin.
With a spot in the semifinals already a surety, American coach John Speraw opted to give his younger players some experience in the pool finale against Brazil on Friday and the team suffered its first loss of the tournament, falling 3-0.
John Speraw of the United States and Marcelo of Brazil are using varied lineups for their match to conclude Pool I in the Final Six.
Dan McDonnell moved to the outside for the United States in their 3-0 sweep over Iran. The United States are a perfect 8-0 so far in the World Championships.
The U.S. continues to play musical blockers, rolling out a whole new McDonnell-Smith rotation in Friday’s win over Canada.
The United States moved to 2-0 atop Pool C, holding on for a five-set win over Australia on Thursday.
The United States Men’s National Team finished the Ljubljana Challenge with its third victory in as many days, topping host Slovenia 25-22, 25-23, 24-26, 25-21, in a final leadup to the World Championships.
The United States will use a familiar lineup in their bid to win a second FIVB World Championship this month.