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OAKLAND, CA - Dallas Braden, who once threw a perfect gamefor the Oakland Athletics on Mother's Day but hasn't pitched in the majors inalmost three years, says he is retiring.

Braden, 30, told the San Francisco Chronicle on Tuesday that his shoulder is"just a shredded mess" after multiple surgeries.

"I left my arm on the mound at the Coliseum," he told the paper, "and I'm OKwith that."

There have been 23 perfect games in MLB history. Braden pitched the 19th onMay 9, 2010, striking out six Tampa Bay Rays batters with his grandmother inattendance. Braden's mother died when he was a senior in high school.

"That game will always define the one solid day of work I had and the factthat I got to share it with my grandmother, only a few people appreciate themagnitude of that," Braden told the Chronicle on Tuesday. "That was living thedream."

The left-hander went 26-36 with a 4.16 earned-run average in 94 games for theA's from 2007-11, including 79 starts. He made just three starts in 2011, thelast on April 16 before undergoing surgery.