The Washington Times - September 2, 2013, 05:55PM

PHILADELPHIA — The Washington Nationals will add four or five more players to their major league roster on Tuesday, manager Davey Johnson said, plucking a pitcher and a few more position players from the Triple-A Syracuse roster. 

The Nationals made their first September call-ups on Sunday, bringing left-hander Ian Krol, right-hander Erik Davis and catcher Sandy Leon up to the major leagues, but with Triple-A Syracuse’s season ending on Monday, they’ll bolster the ranks a bit more. If they add five players, they will have 33 players on the active roster. 

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“The team doctor thinks that I should be sitting more during the game,” Johnson quipped Monday afternoon. “But where am I going to sit? Especially after tomorrow. There won’t be any spots.” 

While Johnson declined to name names, pitcher will be Xavier Cedeno, the left-hander who has joined the Nationals in previous brief stints this season. 

As for the position players, infielder Zach Walters figures to be among them, and the Nationals will have to add him to the 40-man roster to do so. They currently only have 38 players on the 40-man, though, so it won’t be an issue.

Walters has greatly impressed Johnson this season, hitting 29 home runs as part of 66 extra-base hits in Triple-A. He hit .253 with a .286 on-base percentage, though, walking only 20 times in 517 plate appearances. 

Infielder/outfielder Jeff Kobernus and outfielder Eury Perez also figure to join the team on Tuesday in Philadelphia. Outfielder Corey Brown could be added as well. 

As expected, second baseman Danny Espinosa will not be among the call-ups. It appears unlikely that Chris Marrero will be added as well, but the team won’t make the announcement until Tuesday.