"Heading in the right direction," Fister said. "Still a lot of fine-tuning that needs to be done, but it's nothing that I'm panicking over. I feel like I'm in a decent place right now, in the place we are in Spring Training. Still got a lot of time left."
The Nationals then came back and scored three runs in the bottom of the third inning. Bryce Harper highlighted the scoring with a two-run double.
Houston then took a 4-3 lead by the top of the fifth inning. It was Springer who gave the Astros the lead with his second home run of the day, another solo shot over the right-field wall.
The Nationals scored two runs off right-hander Roberto Hernandez in the sixth inning to take a 6-5 lead. Kila Ka'aihue singled to right field, scoring Emmanuel Burriss. Cutter Dykstra then scored the fifth run of the game on a ground out by Rafael Bautista.
Ian Stewart added to Washington's lead in the bottom of the eighth inning by hitting a solo homer over the right-field wall off right-hander Josh Fields.
The Astros ended up tying the score in the top of the ninth off right-hander Scott McGregor. Jonathan Villar had an RBI single, while Jon Singleton had an RBI groundout.
Scott Feldman allowed four hits and three earned runs over three innings in his second spring start for the Astros.
Up next: The Nationals will play split-squad games against the Marlins and Mets on Saturday afternoon. The game against the Marlins will be played at Space Coast Stadium at 1:05 p.m. ET, with Gio Gonzalez getting the start. Meanwhile, Tanner Roark will get the start against the Mets at 1:10 p.m. in Port St. Lucie, Fla., live on MLB.TV.
Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the Time. He also can be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.