Nelson had an assist in the game and lead the USA in scoring for the tournament with 10 points (6 goals, 4 assists in 10 games). Lee finished with one goal and four assists in 10 games.
Winnipeg prospect Connor Hallebuyck made 38 saves in Sunday's win, and Nick Bonino, Trevor Lewis and Charlie Coyle provided the goals. Bonino's goal came off a rebound from a shot by Nelson.
The teams played for Bronze after getting shut out in their semifinal games on Saturday. Team USA lost 4-0 to Russia and the Czechs were blanked 2-0 by Canada.
The USA has taken bronze at two of the last three World Championships.