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12/26/09 11:50 AM ET

Nationals make 'Everyday' addition

Club reels in veteran southpaw Guardado with Minors deal

WASHINGTON -- The Nationals made it official on Saturday morning, agreeing to terms with reliever Eddie Guardado on a Minor League deal with an invite to big league Spring Training. The news was first reported on Tuesday about the agreement.

The Nationals have been interested in Guardado, 39, since the Winter Meetings. According to a baseball source, team scouts told general manager Mike Rizzo that Guardado would be a big help to the club.

Nicknamed "Everyday Eddie," Guardado is considered a workhorse out of the bullpen. During his 17 seasons in the big leagues, he has played in 908 games and saved 187 of them. He is best known for his years as the Twins' closer. His best season was in 2002, when he saved 45 games and posted a 2.93 ERA.

If he makes the team out of Spring Training, Guardado is not expected to be a closer. Instead, he is expected to be a mentor and serve as a setup man.

Guardado is one of three relievers acquired by the Nationals this offseason. Washington traded for right-hander Brian Bruney on Dec. 7 and agreed to terms with former Pirates closer Matt Capps on Christmas Eve.

Bill Ladson is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.