Some A's telecasts to feature Scott Hatteberg

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Scott Hatteberg, the former A's first baseman featured prominently in the book and movie "Moneyball," will replace Ray Fosse for 20 games as the team's analyst on CSN California, with his first stint starting June 15, according to multiple sources.

Fosse, an A's broadcaster for 27 years, confirmed the news but declined further comment other than to say that the decision had nothing to do with him. He has no personal or health reasons to miss any games.

Hatteberg, reached by phone, said, "I'm excited to do it. I've never done it before, though, so I'm not sure how well I'll do."

Hatteberg is a special assistant in the A's baseball-operations department, and television isn't something that had crossed his mind.

"It wasn't my idea," he said. "I haven't pursued it. But they asked if I'd have interest, and I'd like to try it. We'll see."

Surgery for Carignan: Reliever Andrew Carignan, who recently had started to demonstrate at the big-league level the skills he has shown in the minors, said he believes he will have Tommy John surgery based on an MRI exam performed Wednesday.

The A's placed Carignan on the disabled list. He had to leave Tuesday's game because of discomfort in his elbow. Carignan has not selected a surgeon. Recovery time for ulnar-ligament-replacement surgery is 12 to 18 months.

Carignan, 25, did not allow a run in four appearances in his third stint with Oakland this season.

"I was just starting to feel comfortable," he said. "That's the way it's gone for me - this happened, and it was like, 'Of course.' "

Oakland called up right-hander Evan Scribner to take Carignan's spot in the bullpen. Scribner was 3-0 with a team-high six saves and a 3.31 ERA in 23 appearances with Triple-A Sacramento.

A's on deck Thursday vs. Rangers 12:35 p.m. No TV Darvish (7-3) vs. McCarthy (4-3) Friday at Diamondbacks 6:40 p.m. CSNCA Milone (6-5) vs. Hudson (2-1) Saturday at Diamondbacks 7:10 p.m. CSNCA Parker (2-2) vs. Cahill (3-5)