"I don't think I tore it or pulled it or anything," Turner said. "I'm not limping or anything like that so it's just a matter of giving it some rest and hopefully in a few days it'll feel good."
Turner, who finished in second place in the voting for National League Rookie of the Year, began the game with an infield single and felt his hamstring begin to tighten up as he stole second base. He stayed in the game and tried to play through it, but once he realized he couldn't score from second on a single from Daniel Murphy, he came out of the game rather than push further.
"I knew I didn't tear it right from when it happened, I just didn't know how much worse it could get," Turner said. "So just hopefully get some rest, and hopefully it'll take care of itself."
Wilmer Difo entered the game as a pinch-runner at third base and replaced Turner at shortstop in the bottom of the inning.
Turner's injury was the beginning of a disastrous first inning for the Nationals, who surrendered 12 runs to the Phillies, a franchise-record for most runs scored in a single inning. But considering Turner escaped without any serious damage and could possibly avoid a stint on the disabled list gives the Nationals a reason to breathe a sigh of relief.
"They said there's no defect in the muscle," Baker said. "It was tight, and it was cold. Hopefully we'll have him back in a couple days."
Jamal Collier covers the Nationals for MLB.com. Follow him on Twitter at @jamalcollier. This story was not subject to the approval of Major League Baseball or its clubs.