Updated

The United States men's volleyball team may have dropped its first set of the London Games, but still remained undefeated in the preliminary round with a victory over Brazil.

Coming off a pair of straight-set wins over Serbia and Germany, the U.S. dropped its first game to Brazil 25-23, but then posted winning marks of 27-25, 25-19, and 25-17 to roll to the victory.

The United States leads Pool B with a 3-0 record, while Brazil and Russia sit 2-1. The Russians notched a straight-set victory over Tunisia, which is 0-3.

Germany, meanwhile, recorded a five-set triumph over Serbia.

In Pool A play, in which Bulgaria leads with a 3-0 mark after knocking off Australia on Thursday, Poland bested Argentina and Great Britain was topped in straight sets by Italy to fall to 0-3.