It turns out, Harper suffered a momentary stinger on his left wrist, but he remained in the game. He went 1-for-4 with a walk and a run scored.
"He was fiddling with his wrist a little bit, so we decided to go out there. As soon as we stepped out, he waved us off," Williams said. "It certainly scared him. It scared us. He is fine. No issues."
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.