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03/29/2013 8:15 PM ET

Cashman always looking for talent to add

WASHINGTON -- Yankees general manager Brian Cashman has been a little busier this Spring Training than he'd like.

The injury-filled spring that Cashman has watched his club endure has kept him constantly on the prowl for talent to fill holes until the Yankees' injured stars heal.

"I think we have improved ourselves in the last three weeks with some of the additions, potentially, trying to close the gap on where we were as much as we possibly can," Cashman said before Friday's game. "We've been there and done that, and that's the job. You have to find a way. You mix and match, and if it doesn't work, out with the old and in with the new. We'll find something else. That's just the way it works."

Cashman said he understands what's involved because this is something the GM has been through before. He said that it's important to be prepared to make adjustments and do whatever's needed to succeed.

"It's just the job description -- you've got to find a way," Cashman said. "The job is to put a championship-caliber [team] on the field on a yearly basis that can compete now and can compete in the future years. That is the job. I'd rather have everything go perfect. We have to survive and thrive."

Cashman also said he didn't have much news on injured shortstop Derek Jeter other than he's probably not going to do anything until Monday, at the earliest, in hopes his sore ankle improves.

"[Let him] take the two steps back so he can take a giant step forward," Cashman said.

Overbay makes Yanks; Aardsma designated

WASHINGTON -- The Yankees have just one game left in the exhibition season, Saturday's matchup with Army in West Point, N.Y., which fans can watch free on MLB.TV at 2 p.m. ET, and team officials confirmed a number of roster moves after Friday's 4-2 exhibition win over the Nationals.

Reliever David Aardsma was designated for assignment, while fellow righty Shawn Kelley has made the Opening Day roster, along with Ben Francisco, Jayson Nix and recently signed first baseman Lyle Overbay.

In designating Aardsma, the Yankees appear to be more interested in a reliever who can work longer stints than the veteran righty, whose specialty has been one-inning appearances.

"I think the role we're looking for from that guy is probably a little bit more distance," manager Joe Girardi said. "He's been more of a one-inning guy and a save guy, and our seventh, eighth and ninth is pretty locked in. We just felt that he didn't really fit exactly. He's rehabbed, he's worked his butt off to get to this point, and hopefully it works out for him."

Aardsma said he's disappointed and thought he pitched well in Florida. He's hoping that other teams will take a look at him.

"I showed some teams what I could do, and hopefully, I'll get an opportunity somewhere else and take advantage of it," Aardsma said.

Overbay was signed by the Yankees to a Minor League contract on Tuesday, shortly after the Red Sox released him. The veteran went 0-for-4 in Friday's win and is 3-for-12 since signing.

Overbay was hitting just .220 in Grapefruit League play before Boston released him. He said he knew there wasn't much time to make an impression, so he wanted to show the Yankees whatever he could as quickly as possible. New York certainly needs first-base help due to the right wrist injury to Mark Teixeira, who will be sidelined at least into May.

"You don't know what you're getting into," Overbay said right after being told he'd made the team. "You don't know what they're expecting. That's why I wanted to get here as soon as possible."

Teixeira optimistic he'll return in early May

WASHINGTON -- Yankees first baseman Mark Teixeira, out with a partially torn tendon sheath in his right wrist, said before Friday's 4-2 exhibition win over the Nationals that he's been rehabbing and still hopes to return in early May.

Teixeira sustained the injury while preparing for the World Baseball Classic in early March. The prognosis has the switch-hitting slugger missing eight to 10 weeks, but Teixeira said he'd rather return closer to the eight-week timetable.

"May 1 is eight weeks; if you tell me it's 10 weeks, my goal is eight weeks," Teixeira said. "We'll see how it goes. We have a few, kind of, milestones you've got to hit, and then once you hit those, you can go onto the next one and hopefully progress to where I'm playing games in eight weeks."

Teixeira is waring a brace that he hopes will be taken off on Monday, the day the Yankees will open the regular season with a 1:05 p.m. ET game against the Red Sox in New York. The first baseman began various drills, including one-handed swinging, on Sunday, but he made it clear that he'll be careful while rehabbing.

"I can't try to be a hero," Teixeira said. "Until this is healed, I can't just start swinging and hope that swinging makes it feel better. I just have to be smart with it. It's not something I'm going to play through."

The possibility of season-ending surgery still looms.

Teixeira said he hopes to be swinging a bat around the six-week mark. If he still can't swing after about 10 weeks, Teixeira said he might have to consider "other options."

"At a certain point, if it's still hurting, you've got to take care of it," Teixeira said. "I'm not even worrying about [surgery yet]."

Jeff Seidel is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.