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On Friday the Rays signed reliever David Hess, 28. On Saturday they activated him for a game in which he did not pitch. On Sunday they designated him for assignment.
Over the same weekend, on Friday they recalled reliever Chris Mazza, 31, from the minors, on Saturday they optioned him to the minors, and on Sunday they recalled him from the minors. They have optioned or recalled Mazza 15 times this year.