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06/28/09 2:00 PM ET

Hernandez stepping in for Uehara

Baltimore (34-40) vs. Washington (21-51), 1:35 p.m. ET

BALTIMORE -- Different body part. Same old story.

After landing on the disabled list earlier this season with a nagging hamstring injury, Orioles pitcher Koji Uehara will likely be placed back on the DL, this time with an elbow strain, according to club manager Dave Trembley.

"Koji's not pitching tomorrow," Trembley said before Saturday's game. "Obviously we'll make a roster move tomorrow before the game. I think everybody's pretty in tune with who the guy will be, and that will officially be done before the game tomorrow."

Uehara was scheduled to start Sunday's series finale against the Nationals with first pitch set for 1:35 p.m.

Now, the Orioles will turn to David Hernandez. Hernandez was called up one month ago, and made his first career start against Detroit on May 28. He threw 5 2/3 innings, allowing just one earned run and striking out three for the victory.

Uehara was placed on the DL on May 25 with a strained hamstring, and returned to the rotation for three starts in June. Uehara is 2-4 this season with a 4.05 ERA.

"I talked to Koji today, and this guy feels like he's letting me down, feels like he's let us down," Trembley said. "I had to tell him that's not the case. There's a lot of baseball to play, the whole second half of the season to be played. You can only imagine him coming over here with all of the attention that's been on him and all of the expectations that have been placed on him. We just want to get it done right for him, because he's an important part of our team."

Trembley said on Saturday that despite the injury, the swelling and inflammation in Uehara's elbow has gone down, and reported that Uehara is "feeling better." Trembley cautioned, however, that the first step is to get Uehara healthy, and did not say whether he would land back in the team's starting rotation or the bullpen when he rejoins the team.

"I just don't know," Trembley said. "The first thing we need to do is get him healthy, and then go from there."

Pitching matchup
BAL: RHP David Hernandez (1-1, 3.95 ERA)
Hernandez was pulled after four innings in his last start for Triple-A Norfolk just in case he had to make this start. He is 3-2 with a 3.30 ERA in 11 starts for the Tides with 79 strikeouts in 57 1/3 innings pitched.

WSH: LHP John Lannan (4-5, 3.44 ERA)
Lannan wasn't as good in his last start against the Red Sox as he was against the Yankees at Yankee Stadium last week. He lasted 6 1/3 innings, giving up three runs on nine hits. He left the game against Boston because he threw 109 pitches. Lannan relied heavily on his changeup to get hitters out. He figured the Red Sox would be waiting on the fastball.

The Orioles hit three home runs in Saturday's game, most in a single game since May 28 against the Tigers. The most home runs hit by the Orioles in a single game is seven, set twice, most recently Aug. 26, 1985. ... With Saturday's win, the Orioles have now won four of their last five series and 10 of their last 15 games. ... Nolan Reimold hit his ninth home run of the season Saturday, a three-run shot to left field. Three of his nine home runs have been three-run blasts.

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Up next
• Monday: Orioles (Jason Berken, 1-4, 6.32) vs. Red Sox (Jon Lester, 6-6, 4.68), 7:05 p.m. ET
• Tuesday: Orioles (Rich Hill, 3-2, 6.03) vs. Red Sox (John Smoltz, 0-1, 9.00), 7:05 p.m. ET
• Wednesday: Orioles (TBD) vs. Red Sox (Josh Beckett, 9-3, 3.48), 1:35 p.m. ET

Brian Eller is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.