Girardi encouraged by Joba's rehab

OAKLAND, Calif. -- Reports a day after Joba Chamberlain's fourth rehab appearance were positive.

"The fact he threw 32 pitches and used all his pitches, I don't see how it could have gone any better," manager Joe Girardi said Saturday.

Pitching coach Larry Rothschild said Chamberlain will throw a side session Sunday and make his next rehab appearance "probably Tuesday."

Chamberlain, 26, is recovering from elbow and ankle surgeries.

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Girardi credited the A's pitching for the Yankees failing to draw a walk in the first two games of the series.

"They're throwing a lot of strikes," he said. "They are locating. The last two guys we faced (A.J. Griffin and Tommy Milone) were command guys. They don't have a lot of walks. It something they are doing a good job of."

The Yankees have only been held without a walk in back-to-back games twice in the past six years, these two games and Sept. 12-13, 2011. against the Mariners.

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Girardi, who grew up in the Chicago area, went to Northwestern and played for the Cubs, said he’s happy to see Ron Santo enshrined into the Hall of Fame.

The Cubs icon will be posthumously inducted on Sunday in Cooperstown.

"As a kid I idolized him," Girardi said. "I really miss him, but I'm happy for the family on this day."