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04/26/12 4:49 PM ET

Giants switch up middle infield for Reds finale

CINCINNATI -- As he promised Wednesday, Giants manager Bruce Bochy gave shortstop Brandon Crawford and second baseman Emmanuel Burriss a break from the starting lineup Thursday. Joaquin Arias started in place of Crawford, while Ryan Theriot started at second.

Theriot had just two at-bats in the last five games. He spent last Thursday night in a hospital with a stomach virus. He has not started a game since April 18 against Philadelphia.

"They could use a break," said Bochy of Crawford and Burris. "I need to get Theriot out there because he's missed some time and he needs his at-bats. Arias has been going well, so we'll keep him going by giving him a start today."

Entering Thursday, Crawford had played in 157 of the Giants' 158 2/3 innings this season while Burriss had started 13 games in place of the injured Freddy Sanchez. Arias joined the club Wednesday after his contract was purchased from Triple-A Fresno. He was hitting .400 with the Grizzlies and lined out hard to pitcher Aroldis Chapman in the eighth inning of Wednesday's 4-2 loss.

Sandoval breaks Giants' early hit streak mark

CINCINNATI -- No one in Giants history has had a hitting streak to begin a season like Pablo Sandoval is enjoying this season. The third baseman singled to left field off Cincinnati right-hander Homer Bailey leading off the fourth inning of Thursday's 6-5 win to extend his hitting streak to 19 games, surpassing Johnny Rucker's previous mark of 18 games set at the start of the 1945 season.

Sandoval's single started a two-run rally for the Giants that tied the score. It was his lone hit in five at-bats, but the Giants breaking a seven-game losing streak at Cincinnati was more important to Sandoval.

"We had lost two in a row in the series and we tried fighting to go home happy," said Sandoval, who is hitting .321 this season.

Manager Bruce Bochy has been impressed with Sandoval's overall start.

"Pablo has played with a lot of energy and not showing any signs [of being tired]," said Bochy before Thursday's game. "Pablo has looked great."

Giants remain mum about Friday starter

CINCINNATI -- The Giants still have not made an official move in naming a starter for Friday night's series opener against San Diego, manager Bruce Bochy said Thursday prior to the series finale against the Reds.

Matt Sosnick, the agent for Eric Hacker, announced on Twitter on Wednesday night that the Giants would be purchasing the contract of his client to fill that spot in the rotation. Bochy would not confirm that announcement.

"We haven't made any move yet, I can tell you that," said Bochy. "We don't have to do it until tomorrow."

Hacker, 29, is not on the 40-man roster. He is 4-0 this season for the Triple-A Fresno Grizzlies with a 2.19 ERA in 24 2/3 innings pitched. Opponents have hit just .217 against him so far.

The rainout last Sunday in New York hampered the San Francisco rotation. Bochy kept Tim Lincecum in his normal spot in the rotation by having him pitch the opener of Monday's doubleheader. Lincecum is scheduled to pitch Saturday against the Padres, with Madison Bumgarner slated to go Sunday.

The Giants next have an off-day Monday before a stretch of nine consecutive days playing, six of which will be at home against Miami and Milwaukee.

Bochy briefs Giants on Huff's situation

CINCINNATI -- Giants manager Bruce Bochy did address the team Thursday to inform them about the condition of Aubrey Huff, who was placed on the 15-day disabled list after suffering an anxiety attack. Huff left the team Monday morning before it played a doubleheader in New York.

"I just filled them in about their teammate and gave them an update," said Bochy. "He'll be in San Francisco [on Friday] but there is no new news there."

News of Huff's situation was brought up to pitcher Barry Zito by reporters after Zito started Wednesday's game.

"I actually didn't know that's what it was, but you guys see Huffy like we do," said Zito. "He keeps everyone loose, he's incredible in the clubhouse and he just reminds us all of the time to go out and have fun. I'm not quite sure what to make of that."

Worth noting

• After a stretch of 10 games in which the San Francisco bullpen allowed just seven runs (four earned) it has been hit for 10 runs (seven earned) in its last three games prior to Thursday.

• Sanchez continues to rehab from a right shoulder dislocation at Class A San Jose. Sanchez is 3-for-7 with three RBIs in two starts at San Jose, both as the designated hitter. The Giants are hopeful he could return in mid-May if he does not have any setbacks.

• Entering Thursday, the Giants were second in the Major Leagues with 21 errors committed in their 18 games. Reliever Clay Hensley's throwing error in the seventh inning Wednesday led to three unearned runs for Cincinnati.

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