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9/7/2013 9:03 P.M. ET

Washington likes rule on expanded rosters

ANAHEIM -- Rarely -- if ever -- does everyone in the baseball community agree on something, and 40-man rosters in September are no different.

On Wednesday, Angels manager Mike Scioscia said he would like to see rosters capped at 30, but Rangers manager Ron Washington thinks the rule, as it is, is fine.

"It's just not representative of what a championship roster is for a championship season," Scioscia said. "There's a lot of strategy in when you build a roster. I think a team that has consciously gotten those players that are versatile to help them through a Major League season loses that advantage when a roster can be 40, because the versatility isn't as much of a factor."

Meanwhile, Washington's active roster is at 36 -- 18 pitchers and 18 position players.

"I think every organization has their own decision to make on what they need to bring up and how many they need to bring up. There's more than just bodies that play into it. We brought what we thought we needed. It is nice that the organization accommodated us."

Harrison to have surgery on right shoulder

ANAHEIM -- Rangers left-hander Matt Harrison has had two surgeries on his back this season and is now slated for a third surgery Monday -- this time on his right shoulder.

"Just one of those years," Rangers general manager Jon Daniels said. "Herniated disk and thoracic syndrome, they're the kind of things you can't really protect against. He's as hard a worker as we have, just been kind of snake-bitten this year."

Harrison will undergo surgery to repair thoracic outlet syndrome, which means a rib is disrupting blood flow or a nerve, causing an unusual feeling in the arm and hand.

Harrison, who had surgeries to repair a herniated disk in April and May, had TOS surgery on his left shoulder in 2009.

The latest surgery is not expected to delay the start of Harrison's 2014 season, and he is expected to be ready for Spring Training.

Harrison started just two games in 2013 after signing a five-year, $55 million extension in January. He posted an 18-11 record and 3.29 ERA last season.

"We invested in him this winter and believe in him, but we have to get him healthy," Daniels said.

Martin out of leadoff spot for 'mental break'

ANAHEIM -- The last 31 starts for Leonys Martin, he has been in the leadoff position.

On Saturday, that changed, as the center fielder hit ninth against the Angels.

"Just wanted to give Marty a little mental break," Rangers manager Ron Washington said. "He's looking like he's starting to press a little bit. He hasn't pressed all year and I certainly don't want him to start now."

Including a 1-for-5 performance in Friday's series-opening loss, Martin enters Saturday's game with five hits in his past 27 at-bats and a .185 average (12-for-65) in his last 17 games.

In 31 games as the team's leadoff hitter, Martin hit .238.

Although Martin has struggled lately, Washington expects to move him back into the leadoff spot in the near future.

Martin, playing in his first full Major League season, has been a valuable component of the Rangers' offense this season, and Washington made sure to relay that message to the 25-year-old.

"He's done great for us, and I don't want him to get into the last month and think he has to be different than what he's been to this point," Washington said.

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