Worth noting

Infielder Zach Walters experienced a tight back on Saturday and was not able take batting practice with the position players at Space Coast Stadium. The injury is not considered serious, and Williams hopes Walters is able to work out Sunday.

Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the time. He also could be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.