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09/01/07 8:50 PM ET

Notes: O's callups put right to work

More expected when Minor League teams' seasons end

BOSTON -- The first wave of September callups arrived Saturday for the Orioles, and manager Dave Trembley didn't waste any time in putting the new arrivals to work. Southpaw Garrett Olson took the mound for Baltimore, and Scott Moore started at third base. Trembley also hoped to use Rocky Cherry out of the bullpen at some point later in the game.

Cherry and Moore were the bounty acquired from the Chicago Cubs in exchange for Steve Trachsel on Friday, and Trembley said the Orioles expect to bring more players up to fatten up their roster once the Minor League seasons end.

"We haven't gotten them all tonight. We really got only the two guys that joined us via trade," he said. "The others, I think, will join us in [St. Petersburg]. I think you bring them up here to help your club. ... You bring them here to allow them to play, and you evaluate perhaps what role they could fit in to help your team in the future."

Moore and Cherry are expected to help immediately and could both have jobs when the Orioles break Spring Training next season. Moore is blocked by Melvin Mora, but Trembley said the rookie didn't come to the big leagues to sit.

"I'm not going to play them three or four days in a row, but I'm going to give them opportunities to play," he said of Baltimore's late-season reinforcements. "That's no disrespect to the other guys that have been playing every day here. I know what they can do. I've seen it. I want to see what the other guys can do."

Moore, the eighth overall pick in the 2002 First-Year Player Draft, has slowly worked his way through the Minor Leagues. He was traded to the Cubs from Detroit in 2005 and thrived at Triple-A Iowa this season, batting .265 with 19 home runs and 69 RBIs. He's had brief tastes of the big leagues before, but hasn't had a chance to earn a job yet.

"If I go out and play well, it will be a good opportunity," he said. "You expect to be in the big leagues, but you play every game hard to get to this level. Sometimes, it takes a little bit longer for some people than for others."

Cherry has a little straighter line to a job, largely because he joins a bullpen searching for someone to pitch consistently well. Baltimore's relief staff has been in constant flux since closer Chris Ray went out for the season with an elbow injury, and the relief staff's holdovers have been worked over to the point of exhaustion and inefficiency.

"I'm excited," said the 28-year-old. "I think it's going to give me an opportunity to pitch, and that's what I want to do. You can't show your stuff, stay ready or be on top of your game if youre sitting and watching everyone else pitch."

Cherry has a pre-existing relationship with bullpen coach Alan Dunn, who coached him while in Chicago's organization. The right-hander has never played for another team, so he was briefly thrown for a loop when he heard about the trade.

"When I got the call, it was from our farm director, so I figured he was calling me to let me know I got a September callup," he said. "I had no idea. He told me, 'I've got some bittersweet news for you -- you've been traded to the Baltimore Orioles.' At first, I was kind of shocked, but now I'm really excited.

"I've gotten an opportunity to [let it] sink in and think about it. I think I'm going to enjoy the change of scenery."

Odds and ends: Trembley still hasn't decided on a starting pitcher for Monday's series opener against the Devil Rays and said that the next two games will narrow down the field. Brian Burres could be a candidate -- but Trembley would like to avoid shifting his role again -- and so will Minor League arms Jim Johnson and Hayden Penn.

"I have a question mark there," said Trembley. "I don't know who is going to be there."

Trembley spoke about veteran Jaret Wright, whose rehab stint from a sore shoulder continued Friday for Double-A Bowie. Wright threw one inning and allowed three hits and one run, and Trembley said the reports weren't really positive. Wright has been on the disabled list since late April and would like to return before the end of the season.

"He looked better the first time he pitched," Trembley said of the injured veteran. "I'm sure it's tough for him. He hasn't pitched in a long time. He's pitching in the Minor Leagues. I hope he pitches better. We're waiting to get to Monday. I think today is a big day to see how he feels, and we'll let him pitch again on Monday."

Heave-ho: Trembley said he hasn't seen video of his first career ejection and doesn't plan on looking at it. The manager got thrown out of Friday's game and seemed to have mixed emotions on what took place.

"You have to back up your team, whatever it takes. But it's over and done with and we'll move on," he said. "It's not something that I'm predictably proud of. I don't want to get attention by doing that kind of stuff. I want to do it by winning games."

Quotable: "Chicago has been great to me. I enjoyed my time there, but they needed to move to a make themselves better. And I feel like I have an opportunity to make myself better here." -- Cherry, on switching teams

Coming up: The Orioles and Red Sox will meet for a 2:05 p.m. ET Sunday series finale that pits Daniel Cabrera (9-13, 5.08 ERA) against Boston's Jon Lester (2-0, 5.67 ERA) at Fenway Park. With Erik Bedard hurt, Cabrera is the lone veteran remaining in Baltimore's rotation.

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