WASHINGTON -- The Nationals are expected to promote pitchers Craig Stammen, Yunesky Maya, Atahualpa Severino and Brad Peacock, outfielder Corey Brown and infielder Stephen Lombardozzi Tuesday. They are coming from Triple-A Syracuse.

All four pitchers are expected to work out of the bullpen, while Brown and Lombardozzi are expected to come off the bench and get a couple of starts.

Of the seven, Lombardozzi, Brown and Peacock will be in the big leagues for the first time. Severino has been on the Nats' big league roster, but never appeared in a game.

Lombardozzi and Peacock are arguably Washington's best players in the system. Peacock, who was the Eastern League Pitcher of the Year, went a combined 15-3 with a 2.39 ERA for Syracuse and Double-A Harrisburg. He also struck out 177 in 146 2/3 innings.

Lombardozzi may be the leadoff hitter the Nationals are looking for. In 134 games, Lombardozzi hit .309 with eight home runs, 52 RBIs and a .360 on-base percentage.

Ramos to catch Strasburg for first time

WASHINGTON -- Nationals manager Davey Johnson said that catcher Wilson Ramos will be behind the plate when right-hander Stephen Strasburg makes his season debut on Tuesday at Nationals Park.

It will be the first time Ramos will be behind the plate when Strasburg is on the mound.

"Tomorrow, I will talk to him about how he likes to throw in a game because we need to stay on the same page," Ramos said. "I'm excited because he is the best prospect in this organization, so I'm very excited to catch him."

Tickets are still available to see Strasburg and Ramos work together and can be purchased at nationals.com.