Top Star
Lambin returned to the United States in 2010, where he played for the Washington Nationals organization. He was named the "Top Star" for the International League in the 2010 Triple-A All-Star Game. He hit .252 with 15 home runs and 58 RBI that year. The next year, playing for the Rochester Red Wings (the Class AAA affiliate of the Minnesota Twins), he hit .274 with 6 home runs and 46 RBI.