VIERA, Fla. -- Nationals outfielder Bryce Harper decided to delete his Twitter account, @BHarp3407, recently. It comes a week after the Nationals had a team meeting about social media.

"I think it comes from the media day that we had. We had some comments from some teammates. That was the result," manager Davey Johnson said.

Harper was a popular figure on Twitter. He often spoke his mind, and said he wanted the fans to know who he was. Sometimes, however, people in the Nats' front office were perturbed when he spoke his mind.

"I like to interact with fans. I want them to know who I am and what I am," Harper said earlier this month. "That's just the way I am. They will know the real me. I want everyone to know the real me."

Werth back to business after day off

VIERA, Fla. -- Nationals outfielder Jayson Werth, who didn't work out Tuesday because of lower back spasms, was allowed to take another day off Wednesday as a precaution.

But, according to manager Davey Johnson, Werth decided to work instead. Werth was able to take batting practice without any problems.

Werth had arguably one of his best sessions hitting coach Rick Eckstein had seen. Werth was short to the ball and hitting line drives.

"I watched him hit today. It was by far the best that I've seen him," Eckstein said. "He was short, explosive to the ball. He could hit the ball to any field. He was so direct to the ball with balance -- everything. I was like, 'Wow.' I told J-Dub that was the best. Let's build off that. That was outstanding, so that was exciting."

Werth then was seen playing catch with shortstop Ian Desmond. Werth wasn't the only one who has been ailing lately. First basemen Adam LaRoche and Chad Tracy didn't work out Wednesday because of an ankle and a knee injury, respectively.

LaRoche hurt the ankle running the bases on Tuesday, while Tracy received a cortisone shot in his knee on Wednesday. Both injuries are not considered serious.

Both players most likely will not be ready to play the first game against the Astros on Saturday.

DeRosa not having any problems with wrist

VIERA, Fla. -- Full-squad workouts began Saturday, and infielder/outfielder Mark DeRosa hasn't had any problems with his left wrist, which has been surgically repaired more than once.

During regular batting practice, DeRosa has been hitting line drives, but admitted that he may not have the power he once displayed when he was at his best with the Cubs. Back in 2007 and '08, DeRosa hit a combined 31 home runs for Chicago. During those years, DeRosa was known to have power to the opposite field.

"The wrist feels great. I haven't had any setbacks. I haven't had to get any treatment on it. So I try not to think about it," DeRosa said. "I like the way I'm swinging the bat. I like to see a little more power because I'm hitting with some monsters in batting practice, but I think that will come. I have to be content where I'm at now. It's a heck of a lot better than it has been the last three years, so I'm pretty happy."

It will be interesting to see what kind of role DeRosa plays for Washington. He is expected to be a reserve first baseman, and make occasional starts in the outfield, and also at second and third base. But with Mike Cameron retiring earlier this month, DeRosa could find himself in a platoon situation in the outfield.

Johnson continues to be impressed by Harper

VIERA, Fla. -- Nationals manager Davey Johnson continues to be impressed by what he has seen from outfielder Bryce Harper.

For the first time this spring, Johnson watched Harper closely, as the latter was taking batting practice at Space Coast Stadium on Wednesday. Nothing has changed Johnson's mind as far as Harper's swing is concerned. Johnson didn't pay attention to Harper before Wednesday because he wanted to concentrate on other players with whom he wasn't familiar.

"He is in a real good hitting position throughout his swing," Johnson said about Harper. "A couple of his teammates who haven't seen him -- one of them Jason Michaels -- said something like, 'This Harper is pretty good.' I voiced that to some of the staff."

Johnson said he is going to give Harper, 19, every chance to make the team out of Spring Training. Harper is expected to play his first Spring Training game on Saturday against the Astros.