OAKLAND, Calif - Oakland Athletics switch-pitcher Pat Venditte has been placed on the 15-day disabled list with a strained right shoulder.

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The team announced the roster move Friday, and it is retroactive to Thursday. Oakland recalled right-hander Arnold Leon from Triple-A Nashville to fill the roster spot as the A's began a weekend series against the Angels in Anaheim.

The ambidextrous Venditte, once a Yankees prospect and also the first pitcher to throw with both hands in the majors since Greg Harris in 1995, pitched in four games and allowed one hit with four strikeouts and two walks in 5 2-3 innings of relief. He made his major league debut June 5 in Boston at age 29.