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06/06/12 9:43 PM ET

Rotation uncertain for Rangers' series in SF

OAKLAND -- Scott Feldman is scheduled to pitch Saturday for the Rangers. Derek Holland, who has been dealing with a stomach virus, is scheduled to pitch Sunday.

The Rangers just haven't etched either pitcher in stone. They seem to have batted around a few other possibities, ranging from bringing Robbie Ross out of the bullpen to bringing up either Martin Perez or somebody else from Triple-A. Double-A pitchers Justin Grimm and Barret Loux have been "mentioned," although not seriously.

Right now it's still Feldman and Holland, although there is some uncertainty with the Rangers' rotation for the weekend against the Giants.

"We have not ruled Feldman out, we have not ruled Holland out, we have not ruled anybody out," Rangers manager Ron Washington said. "We just don't know what Holland's situation is. Names have been mentioned, but there has not been a lot of discussion. If we have to, we'll make a decision out of necessity."

Holland has been dealing with a stomach virus the past two weeks and it really zapped him in his last start on Tuesday against the A's. But he did go through a full work on Wednesday. The biggest concern is he has lost 15 pounds in the past two weeks and that has taken away some of his strength.

"It's a concern," Washington said. "We'll just wait and see how he comes around. If he's fine, he pitches."

Holland said he is feeling better and expects to pitch on Sunday. The Rangers may have him undergo further tests.

"I have to keep pushing and get my strength back," Holland said. "That's the main thing. That's what the real focus is, getting my strength back. I just want to be able to get rid of it. That's all I care about so I can be myself. I want to be out there and my team's not worried about how I feel."

Rangers reluctant to participate in Derby

OAKLAND -- Josh Hamilton does not want to compete in the State Farm Home Run Derby. He is not alone in the Rangers' clubhouse among those that who are leading their position in the fan voting and could be attractive candidates for the Derby.

Third baseman Adrian Beltre and catcher Mike Napoli both said they weren't interested in competing.

"I don't like it ... I don't think I'm good enough for it," Beltre said.

Napoli said he was in two such contests while in the Minor Leagues. He didn't win and he struggled at the plate afterward.

"I did it a couple of times and I preceded to go 9-for-90 after that," Napoli said. "I'll be happy just to play in the game."

Nelson Cruz was in the Home Run Derby in 2009 and finished second. Cruz, who was third among outfielders in the latest balloting, is reluctant to do it again.

"I don't know, I'd have to think about it," Cruz said. "I just have to wait and see what happens. It was a different situation then, my team was in a different situation. We'll see."

Hamilton said he has been asked by the American League and decided against it because he was concerned about getting hurt. Manager Ron Washington is in complete agreement, although he did not try to influence Hamilton's decision.

"He mentioned it to me," Washington said. "I didn't help him with that decision, it's not up to me, but I'm happy he's not doing it. If he takes a swing and misses and hurts something, there's not another team in baseball that's going to care. That was Hamilton's decision."

Asked his reaction when Hamilton told him, Washington said, "I gave him a hug."

Worth noting

• The A's called up outfielder Brandon Moss on Wedneday and put him at first base. It was only his second career start at first base. Moss was best friends with David Murphy while in the Red Sox farm system. Said Murphy, "I sent him saying I might have to drag a bunt down his way."

• Josh Hamilton is on the cover of Sports Illustrated this week.

• The Rangers have released Minor League pitcher Corey Young.

T.R. Sullivan is a reporter for MLB.com. Read his blog, Postcards from Elysian Fields and follow him on Twitter @Sullivan_Ranger. This story was not subject to the approval of Major League Baseball or its clubs.