Roger Bernadina scored when Houston made two errors on the same play in the 11th inning and the Washington Nationals picked up their third straight win, 5-4 over the Astros on Monday night.
Minute Maid Park hosts the Nationals the next four nights.
Needing some infield insurance, the Nationals have claimed veteran Cesar Izturis off waivers from Milwaukee.
Jayson Werth thought it would take some time to get his swing back after three months on the DL, but the Nationals outfielder hasn't missed a beat.
Stephen Strasburg once again recovered from a poor start to dominate his next opponent, leading the Nationals to a 4-1 win over the Marlins on Sunday.