Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

He'll function as the 26th man for Saturday's doubleheader against the Cubs. The 27-year-old hasn't allowed a run in 2 1/3 innings with the Nationals thus far in 2014.

Nationals optioned LHP Xavier Cedeno to Triple-A Syracuse.

The Nats are clearing roster space for Gio Gonzalez (shoulder), who will return from the DL Wednesday. Cedeno is unscored upon in two relief appearances with the big club this season.

Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

Cedeno was unscored upon in his lone appearance with the big club this season. He'll likely only be up for a few days until Gio Gonzalez (shoulder) returns from the DL.

Nationals optioned LHP Xavier Cedeno to Triple-A Syracuse.

The move clears a spot for Aaron Barrett's return from the minors. Cedeno made just one appearance during his brief stay with the club.

Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

He'll give the Nats a fresh arm after the bullpen was overused Thursday. Cedeno allowed one run over six relief innings for Washington last season.

Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

Cedeno posted a 9.39 ERA and 2.48 WHIP over seven appearances at the big league level earlier this season, though he's been spectacular on the farm (1.31 ERA at Syracuse). Cedeno should be the left-handed side of a mopup platoon at the end of the bullpen with righty Tanner Roark.

Nationals optioned LHP Xavier Cedeno to Triple-A Syracuse.

Cedeno didn't make an appearance during his recent tenure with the big club. He'll return after rosters expand.

Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

Cedeno has posted a 9.39 ERA and 2.48 WHIP over seven appearances at the big league level this season but boasts a 1.47 ERA at Triple-A. He'll work the middle innings.

Nationals optioned LHP Xaiver Cedeno to Triple-A Syracuase.

Tanner Roark will replace him on the active roster. Cedeno has made two appearances with the Nationals since being claimed off waivers from the Astros in April and should return when rosters expand in September.

Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

Cedeno holds a 9.39 ERA and 2.48 WHIP over seven appearances with the Nats this season. He'll be used in low-leverage situations.

Nationals optioned LHP Xavier Cedeno to Triple-A Syracuse.

Cedeno fared better in his second go-round with the big club but still holds a 9.39 ERA and 2.48 WHIP over seven appearances this season. He could get another shot later on.

Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

Cedeno will serve as depth in the Nationals' bullpen. He has a 6.00 ERA in 39 career major league frames.

Nationals optioned LHP Xavier Cedeno to Triple-A Syracuse.

He was sent down to make room for Tuesday's starter, Nate Karns, on the active roster. Cedeno was with the big club for one day and didn't make an appearance.

Nationals recalled LHP Xavier Cedeno from Triple-A Syracuse.

Cedeno allowed 11 runs in 6 1/3 innings earlier this season with the Astros before getting designated for assignment. He will serve as a mop up man for the Nats.

Nationals claimed LHP Xavier Cedeno off waivers from the Astros; optioned him to Triple-A Syracuse.

Cedeno was designated for assignment by the Astros last week after he allowing 11 runs -- eight earned -- over his first 6 1/3 innings this season. He'll serve as bullpen depth in the minors.

Astros designated LHP Xavier Cedeno for assignment.

Cedeno has allowed 11 runs -- eight earned -- in just 6 1/3 innings this season, but he's a left-handed reliver so he will probably draw some interest on waivers.

Astros recalled LHP Xavier Cedeno from Triple-A Oklahoma City.

Cedeno has posted a 2.89 ERA and 1.39 WHIP in 12 appearances this season in the major leagues. The 25-year-old lefty will function as a middle reliever for Houston.

Astros optioned LHP Xavier Cedeno to Triple-A Oklahoma City.

Cedeno posted a solid 2.89 ERA and 1.39 WHIP over 12 appearances, but the Astros decided against keeping a third lefty in the pen. He's clearing a spot for Bud Norris, who will return from the DL to start Friday.

Astros purchased the contract of LHP Xavier Cedeno from Triple-A Oklahoma City.

Cedeno has been lights-out in Oklahoma City's bullpen this season, posting a 0.42 ERA with 20 strikeouts over 21 1/3 innings. He takes Fernando Abad's (intercostal strain) spot.

Astros signed LHP Xavier Cedeno to a minor league contract.

Cedeno earned a September callup at the end of this season but will be a longshot for the Opening Day bullpen in 2012. He had a 4.38 ERA this year in the minors.