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6/23/2014 8:36 P.M. ET

Zimmerman enjoying outfield, works out at 3B

MILWAUKEE -- Before Monday's game against the Brewers, Nationals outfielder Ryan Zimmerman was working out at third base, according to manager Matt Williams. Apparently, Zimmerman didn't have any problems throwing the baseball to first base.

In the past, Zimmerman had problems throwing overhand to first base because of pain in his right shoulder. To avoid the pain, he had to throw sidearm. It was a different story Monday, Williams reported.

"He threw balls across the infield and looked fine," Williams said. "Today, his shoulder was feeling pretty good. Today he was over the top, he threw across the diamond. [Not doing it] every day probably helped him a little bit. Today, he threw the ball across fine. No problems. He was looking to getting his legs in shape to do that, too."

On Sunday, Zimmerman said he loved playing the outfield and felt that Anthony Rendon was the better player at third base, but Zimmerman said he would do anything to help the team win once Bryce Harper is activated from the disabled list.

Asked if he would be having fun playing third base, Zimmerman said, "If we continue to win, yeah. Winning makes everything fun. The last couple of years have been tough. Unfortunately, it is what it is. I don't know what we can do to make it better. The only way to find out is just to see what happens."

Worth noting

• Nationals outfielder Bryce Harper will play three innings for Class A Potomac on Monday night and maybe five innings the next day.

• The Nationals have a day-night doubleheader against the Cubs on Saturday, and manager Matt Williams hasn't ruled out right-hander Blake Treinen making a start that day.

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.