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4/19/2014 1:02 A.M. ET

Nats recall lefty Cedeno, send down righty Treinen

WASHINGTON -- The Nationals recalled left-hander Xavier Cedeno from Triple-A Syracuse and optioned right-hander Blake Treinen to Syracuse on Friday.

In three appearances with Syracuse this season, Cedeno tossed 3 2/3 scoreless innings. Cedeno has allowed just one hit, walked one and struck out four while holding opponents to a .077 batting average.

Acquired from the Astros in April 2013, Cedeno, 27, appeared in 11 games and worked to a 1.50 ERA with Washington last season.

Treinen, 25, was used as a long man and made his Major League debut with the Nationals on April 12, pitching two scoreless innings against the Braves.

In three Major League appearances, Treinen allowed just one earned run in 6 2/3 innings [1.35 ERA]. He earned his first Major League strikeout on April 12 when he got Braves third baseman Chris Johnson swinging.

Treininen will rest for three days before he returns to the rotation for Syracuse.

"He is going to build his innings down there, certainly work on his secondary pitches. He has a pretty electric fastball," Manager Matt Williams said. "He pitched really well for us."

Williams also left a possibility that Aaron Barrett could return to the big leagues by Tuesday. Barrett didn't allow a run in 4 1/3 innings and struck out six batters. He was sent down because he couldn't give the Nationals a lot of innings. He is known as a closer and was dealing with a minor finger injury.

"We don't know yet, depending what happens in the next few days, but he is doing fine," Williams said about Barrett. "He is competing and doing all the things that he needs to do. Once Tuesday comes, we'll see what happens there. For right now, X [Cedeno] is here and we need him."

Recovering Ramos takes five swings with bat

WASHINGTON -- Catcher Wilson Ramos, who is on the disabled list because of a broken hamate bone in his left hand, began gripping the bat and took five dry swings on Friday.

"I was swinging easy, swinging the bat," Ramos said. "Right now I'm working hard with my hand. My hand feels good. It's a just a matter of getting my wrist strong. That's what I'm working right now."

After getting the stitches out of his hand on Monday, Ramos started exercising the wrist and hand in a bucket of rice. He also puts the hand in a bucket of ice and hot water, while it gets massaged. Ramos also squeezes a ball to make the hand stronger.

Ramos has had plenty of bad luck over the past three years. He missed most of the 2012 season because of a devastating injury to his right knee, and he missed half of the 2013 campaign because of hamstring issues. Now he has to deal with the hand injury and he is eager to get back on the field. Ramos is expected to return to action sometime in May.

"After last year and 2012, too, right now, I'm trying to do everything right. I want to be on the field," Ramos said. "During Spring Training, I was feeling great, healthy. After that, I was down a little bit. I keep my head up [now], I keep working hard and I'll try to be back soon."

Nats announce their 20 millionth fan

WASHINGTON -- The Nationals announced their 20 millionth fan at Nationals Park on Friday night. The winner, Wayne Gonsorcik, was given an autographed Jordan Zimmermann jersey and tickets to a Nationals game of his choice.

Gonsorcik entered the stadium with his wife and children and was greeted by Scott Lewis, the team's senior director of strategic analytics, who told Gonsorcik the great news.

"I was a little astonished, quite surprised," Gonsorcik said. "We were excited to see all the presidents gathered around up front. I'm like, 'Ok, great kids, ... let's do a nice photo will all the presidents.' ... So we got an upgrade to our seats and have been treated like royalty tonight."

Gonsorcik works as an instructor training Navy recruiters and resides in Pensacola, Fla., but he grew up in Dale City, Va. He was on vacation this weekend to see the family.

Worth noting

• Center fielder Denard Span went 1-for-2 with an RBI and a walk for Class A Hagerstown on Friday night. He is expected to be activated from the 7-day disabled list on Saturday and be in the lineup against the Cardinals. Outfielder Steven Souza Jr. is expected to be sent back to Triple-A Syracuse.

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.