DJ LeMahieu hit a tiebreaking two-run single off Drew Storen with two out in the eighth inning, sending the Colorado Rockies to a 6-4 victory over the Washington Nationals on Sunday.
Carlos Gonzalez hit two solo home runs and Daniel Descalso also went deep for Colorado, which has won three of its last four games.
John Axford (4-5) got five outs for the win, and Tommy Kahnle worked out of a bases-loaded jam in the ninth while recording his second save.
Ryan Zimmerman hit two home runs for the Nationals, who remained 1 1/2 games behind the National League East-leading Mets.